Comet Giacobini, or Giacobini's Comet, may refer to any of the 10 comets discovered by French astronomer, Michel Giacobini, below: 205P/Giacobini C/1898 M1 (Giacobini) C/1899 S1 (Giacobini) C/1900 B1 (Giacobini) C/1902 X1 (Giacobini) C/1903 A1 (Giacobini) C/1904 Y1 (Giacobini) C/1905 F1 (Giacobini) C/1905 X1 (Giacobini) C/1907 E1 (Giacobini)
It may also be a partial reference to several comets he co-discovered with other astronomers: 21P/Giacobini–Zinner 41P/Tuttle–Giacobini–Kresak