The Ōsumi Islands Group in southern Japan, which was explored by Cécille in 1846, was named "Cécille archipelago" ("Archipel Cécille") on French charts.

A peak on the Île de la Possession in the Crozet Islands, where he once landed, was named "Mont Cécille" (46°23'00" S, 51°41'00" E) after him in the 1960s.

The French cruiser Amiral Cécille (1888-scrapped 1919) was named in his honour.
The Ōsumi Islands Group in southern Japan, which was explored by Cécille in 1846, was named "Cécille archipelago" ("Archipel Cécille") on French charts.
A peak on the Île de la Possession in the Crozet Islands, where he once landed, was named "Mont Cécille" (46°23'00" S, 51°41'00" E) after him in the 1960s.
The French cruiser Amiral Cécille (1888-scrapped 1919) was named in his honour.
Jean-Baptiste Cécille