The following is an incomplete list of comets discovered or co-discovered by Borrelly: C/1873 Q1 (Borrelly) C/1877 C1 (Borrelly) C/1877 G2 (Swift-Borrelly-Block) C/1889 X1 (Borrelly) 19P/Borrelly C/1909 L1 (Borrelly-Daniel) "Séance du 21 décembre".
Aceasta este listă incompletă a cometelor descoprite sau co-descoprite de Borrelly: C/1873 Q1 (Borrelly) C/1877 C1 (Borrelly) C/1877 G2 (Swift-Borrelly-Block) C/1889 X1 (Borrelly) 19P/Borrelly C/1909 L1 (Borrelly-Daniel) ^ „Séance du 21 décembre”.