This is a list of seasons played by Tromsø IL in Norwegian and European football, from 1921 to the most recent completed season. It details the club's achievements in major competitions, and the top scorers for some season. {|class="wikitable" |- style="background:#efefef;" ! Season ! League ! Tier ! Pos. ! Pl. ! W ! D ! L ! GS ! GA ! P !Cup !NN-Cup !colspan=2|Europe !Notes !League Top Scorer |- |1921 |Local | |align=right |2 |align=right|6||align=right|4||align=right|0||align=right|2 |align=right|14||align=right|14||align=right|8
|1922 |Local | |align=right |3 |align=right|6||align=right|3||align=right|0||align=right|3 |align=right|8||align=right|15||align=right|6
|1923 |Local | |align=right |3 |align=right|6||align=right|1||align=right|1||align=right|4 |align=right|12||align=right|22||align=right|3
|1924 |Local | |align=right |3 |align=right|6||align=right|1||align=right|2||align=right|3 |align=right|14||align=right|17||align=right|4
|1925 |Local | |align=right |2 |align=right|2||align=right|1||align=right|0||align=right|1 |align=right|7||align=right|5||align=right|2
|1926 |Local | |align=right |2 |align=right|2||align=right|1||align=right|0||align=right|1 |align=right|5||align=right|7||align=right|2
|1927 |Local | |align=right |1 |align=right|3||align=right|2||align=right|0||align=right|1 |align=right|7||align=right|8||align=right|4
|1928 |Local | |align=right |2 |align=right|4||align=right|1||align=right|1||align=right|2 |align=right|11||align=right|9||align=right|3
| style="text-align:center;" colspan="17"|The Northern Norwegian Cup is founded. |- |1929 |Local | |align=right |2 |align=right|3||align=right|2||align=right|0||align=right|1 |align=right|10||align=right|2||align=right|4 || | style="background:bronze;"|
|1930 |Local | |align=right |2 |align=right|3||align=right|2||align=right|0||align=right|1 |align=right|9||align=right|5||align=right|4 || | style="background:bronze;"|Semi-final
|1931 |Local | |align=right |2 |align=right|3||align=right|1||align=right|1||align=right|1 |align=right|6||align=right|4||align=right|3 || |bgcolor=gold|Winners
|1932 |Local | |align=right |1 |align=right|3||align=right|3||align=right|0||align=right|0 |align=right|8||align=right|1||align=right|6 || | style="background:bronze;"|Semi-final
|1933 |Local | |align=right |1 |align=right|6||align=right|4||align=right|1||align=right|1 |align=right|14||align=right|10||align=right|9 || ||First round
|Gustav Dalsbø (6) |- |1934 |Local | |align=right |6 |align=right|5||align=right|2||align=right|0||align=right|3 |align=right|8||align=right|12||align=right|4 || |Semi-final
|Isak Shotland, Gustav Dalsbø (2) |- |1935 |Local | |align=right |3 |align=right|5||align=right|3||align=right|0||align=right|2 |align=right|13||align=right|11||align=right|6 || ||First round
|Gustav Dalsbø, Daniel Olsen (4) |- |1936 |Local | |align=right |1 |align=right|5||align=right|4||align=right|1||align=right|0 |align=right|16||align=right|6||align=right|9
|1937 |Local | |align=right |1 |align=right|5||align=right|3||align=right|1||align=right|1 |align=right|17||align=right|8||align=right|7 || | style="background:silver;"|Runners-up
|1938 |Local | |align=right |3 |align=right|5||align=right|3||align=right|0||align=right|2 |align=right|11||align=right|17||align=right|6 || ||First round
|1939 |Local | |align=right |6 |align=right|5||align=right|0||align=right|0||align=right|5 |align=right|5||align=right|23||align=right|0 || | style="background:bronze;"|Semi-final
|Helge Bendiksen (2) |- | style="text-align:center;" colspan="17"|No football between 1940 and 1945 due to World War II |- |1945 |Local | |align=right |2 |align=right|5||align=right|2||align=right|2||align=right|1 |align=right|9||align=right|6||align=right|
|League played as cup |Nordvald Johansen, Jens Jensen,Helge Bendiksen, Hans Mortensen (2) |- |1946 |Local | |align=right |1 |align=right|8||align=right|7||align=right|0||align=right|1 |align=right|29||align=right|11||align=right|14 || | style="background:bronze;"|Semi-final
|Ingvald Jeremiassen, Gudmund Gundersen (9) |- |1947 |Local | |align=right |5 |align=right|7||align=right|2||align=right|3||align=right|2 |align=right|15||align=right|10||align=right|7 || ||Third round
|Ingvald Jeremiassen (5) |- |1948 |Local | |align=right |2 |align=right|5||align=right|3||align=right|1||align=right|1 |align=right|11||align=right|9||align=right|7 || ||First round
|Hans Mortensen (5) |- |1949 |Local | |align=right |2 |align=right|5||align=right|3||align=right|1||align=right|1 |align=right|14||align=right|7||align=right|7 || |bgcolor=gold|Winners
|Helge Bendiksen, Gudmund Gundersen (4) |- |1950 |Local | |align=right |1 |align=right|5||align=right|5||align=right|0||align=right|0 |align=right|23||align=right|4||align=right|10 || ||Second round
|Hans Mortensen (7) |- |1951 |Local | |align=right |1 |align=right|10||align=right|10||align=right|0||align=right|0 |align=right|40||align=right|7||align=right|20 || ||Second round
|Oskar Theodorsen, Sigmund Hemmingsen (9) |- |1952 |Local | |align=right |1 |align=right|5||align=right|5||align=right|0||align=right|0 |align=right|31||align=right|4||align=right|10 || | style="background:silver;"|Runners-up
|Sigmund Hemmingsen (13) |- |1953 |Local | |align=right |1 |align=right|5||align=right|5||align=right|0||align=right|0 |align=right|23||align=right|2||align=right|10 || ||Third round
|Sigmund Hemmingsen (8) |- |1954 |Local | |align=right |1 |align=right|5||align=right|4||align=right|0||align=right|1 |align=right|18||align=right|11||align=right|8 || ||Third round
|Leif Johnsen (8) |- | style="text-align:center;" colspan="17"|Districts 9 and 10 included in the 1st division |- |1955 |1D10 |III |align=right|3 |align=right|8||align=right|3||align=right|3||align=right|2 |align=right|16||align=right|11||align=right|9 || ||Quarter-final
|Arnold Jensen (5) |- |1956 |1D10 |III |align=right |4 |align=right|9||align=right|3||align=right|3||align=right|3 |align=right|13||align=right|10||align=right|9 || |bgcolor=gold|Winners
|Egil Johansen (6) |- |1957 |1D10 |III |align=right|3 |align=right|10||align=right|5||align=right|0||align=right|5 |align=right|18||align=right|16||align=right|10 || ||Quarter-final
|Tor Brandeggen (9) |- | style="text-align:center;" colspan="17"|The 1st division changes its name to the 3rd division. |- |1958 |3D10 |III |align=right|3 |align=right|10||align=right|4||align=right|2||align=right|4 |align=right|19||align=right|14||align=right|10 || ||Quarter-final
|Tor Brandeggen (5) |- |1959 |3D10 |III |align=right|2 |align=right|10||align=right|8||align=right|0||align=right|2 |align=right|34||align=right|13||align=right|16 || ||Quarter-final
|Edmund Kristoffersen (13) |- |1960 |3D10 |III |align=right |4 |align=right|10||align=right|5||align=right|2||align=right|3 |align=right|32||align=right|18||align=right|12 || |Semi-final
|Tor Brandeggen (8) |- |1961 |3D10 |III |align=right |5 |align=right|10||align=right|3||align=right|1||align=right|6 |align=right|16||align=right|19||align=right|7 || ||Third round
|Tor Brandeggen, Jan Willy Klungseth (5) |- |1962 |3D10 |III |align=right |4 |align=right|10||align=right|4||align=right|1||align=right|5 |align=right|18||align=right|19||align=right|9 || ||Quarter-final
|Egil Bygdnes (6) |- | style="text-align:center;" colspan="17"|Northern Norwegian clubs allowed into the cup for the first time. |- |1963 |3D10 |III |align=right|2 |align=right|10||align=right|6||align=right|1||align=right|3 |align=right|14||align=right|12||align=right|13 || | style="background:bronze;"|Semi-final
|Tor Brandeggen (4) |- |1964 |3D10 |III |align=right|3 |align=right|10||align=right|6||align=right|2||align=right|2 |align=right|19||align=right|15||align=right|14 ||Second round | style="background:bronze;"|Semi-final
|Jon Risa (4) |- |1965 |3D10 |III |align=right |4 |align=right|10||align=right|4||align=right|1||align=right|5 |align=right|15||align=right|17||align=right|9 ||Second round ||Third round
|Jan Willy Klungseth (5) |- |1966 |3D10 |III |align=right bgcolor="#FFCCCC"| 5 |align=right|10||align=right|2||align=right|2||align=right|6 |align=right|12||align=right|25||align=right|6 || ||Quarter-final
|Relegated |Per Steinar Hansen, Egil Bygdnes,John Nilsen, Jon Risa (2) |- |1967 |4DT |IV |align=right|2 |align=right|14||align=right|7||align=right|6||align=right|1 |align=right|31||align=right|11||align=right|20 || ||Third round
|Jon Risa (10) |- |1968 |4DT |IV |align=right|2 |align=right|14||align=right|9||align=right|0||align=right|5 |align=right|31||align=right|17||align=right|18 || | style="background:bronze;"|Semi-final
|Svein Hugo Hansen (10) |- |1969 |4DT |IV |align=right|4 |align=right|14||align=right|6||align=right|3||align=right|5 |align=right|20||align=right|17||align=right|15 ||First round ||Second round
|Svein Hugo Hansen (5) |- | style="text-align:center;" colspan="17"|Northern Norwegian 4th division given status as 3rd division. Northern Norwegian Cup discontinued. |- |1970 |3DT |III |align=right bgcolor=#DDFFDD| 1 |align=right|14||align=right|10||align=right|0||align=right|4 |align=right|30||align=right|13||align=right|20 ||First round
|Won play-off, promoted |Steinar Pedersen (10) |- |1971 |2DC |II |align=right|3 |align=right|14||align=right|7||align=right|5||align=right|2 |align=right|29||align=right|21||align=right|19 ||Second qual. round
|Sigurd Dale, Jens Petter Jensen (8) |- | style="text-align:center;" colspan="17"|Northern Norwegian clubs are allowed to be promoted to the top flight for the first time. |- |1972 |2DC |II |align=right bgcolor="#FFCCCC"| 7 |align=right|14||align=right|3||align=right|3||align=right|8 |align=right|12||align=right|23||align=right|9 ||Third round
|Relegated |Jens Petter Jensen (4) |- |1973 |3DT |III |align=right|2 |align=right|14||align=right|10||align=right|2||align=right|2 |align=right|33||align=right|9||align=right|22 ||Second qual. round
|Arne Andreassen, Torfinn Ingebrigtsen (10) |- |1974 |3DT |III |align=right bgcolor=#DDFFDD|1 |align=right|14||align=right|8||align=right|4||align=right|2 |align=right|31||align=right|12||align=right|20 ||Third round
|Won play-off, promoted |Jack Andersen (9) |- |1975 |2DC |II |align=right bgcolor="#FFCCCC"| 6 |align=right|14||align=right|4||align=right|4||align=right|6 |align=right|23||align=right|16||align=right|12 ||Third round
|Relegated |Arne Andreassen (4) |- |1976 |3DT |III |align=right|2 |align=right|18||align=right|11||align=right|5||align=right|2 |align=right|57||align=right|13||align=right|27 ||1st qual round
|Hans Tore Bjerkås (11) |- |1977 |3DT |III |align=right bgcolor=#DDFFDD|1 |align=right|18||align=right|13||align=right|4||align=right|1 |align=right|49||align=right|18||align=right|30 ||Second round
|Won play-off, promoted |Hans Tore Bjerkås (15) |- |1978 |2DC |II |align=right|1 |align=right|18||align=right|12||align=right|3||align=right|3 |align=right|43||align=right|15||align=right|27 ||Fourth round
|Lost play-off |Terje Nikolaysen (11) |- | style="text-align:center;" colspan="17"|The 2nd division changes from having three groups (A, B, and C) to two (A and B). |- |1979 |2DB |II |align=right bgcolor="#FFCCCC"| 11 |align=right|22||align=right|5||align=right|4||align=right|13 |align=right|24||align=right|52||align=right|14 ||Third round
|Relegated |Terje Nikolaysen (10) |- |1980 |3DF |III |align=right bgcolor=#DDFFDD| 1 |align=right|18||align=right|14||align=right|4||align=right|0 |align=right|43||align=right|9||align=right|32 ||Second round
|Promoted |Trond Gunnar Nilsen (15) |- |1981 |2DB |II |align=right bgcolor="#FFCCCC"| 10 |align=right|22||align=right|4||align=right|9||align=right|9 |align=right|12||align=right|28||align=right|17 ||First round
|Relegated |Einar Walsøe (3) |- |1982 |3DF |III |align=right bgcolor=#DDFFDD| 1 |align=right|18||align=right|15||align=right|2||align=right|1 |align=right|50||align=right|13||align=right|32 ||Third round
|Promoted |Trond Gunnar Nilsen (12) |- |1983 |2DB |II