The 2009–10 Terceira Divisão season was the 63rd season of the competition and the 20th season of recognised fourth-tier football in Portugal.
Overview The league was contested by 94 teams in 8 divisions of 10 to 12 teams.
Terceira Divisão – Série A Série A – Preliminary League Table
Série A – Promotion Group
Série A – Relegation Group
Terceira Divisão – Série B Série B – Preliminary League Table
Série B – Promotion Group
Série B – Relegation Group
Terceira Divisão – Série C Série C – Preliminary League Table
Série C – Promotion Group
Série C – Relegation Group
Terceira Divisão – Série D Série D – Preliminary League Table
Série D – Promotion Group
Série D – Relegation Group
Terceira Divisão – Série E Série E – Preliminary League Table
Série E – Promotion Group
Série E – Relegation Group
Terceira Divisão – Série F Série F – Preliminary League Table
Série F – Promotion Group
Série F – Relegation Group
Terceira Divisão – Série Açores Série Açores – Preliminary League Table
Série Açores – Promotion Group
Série Açores – Relegation Group
Terceira Divisão – Série Madeira Série Madeira – Preliminary League Table
Série Madeira – Promotion Group
Série Madeira – Relegation Group
Footnotes