Pierre Barbotin (29 September 1926 – 19 February 2009) was a French racing cyclist, riding professionally from about 1948 to 1961. He was born in Nantes and died in the same city.

Barbotin become known in 1951 when he finished second to Louison Bobet in the Milan–San Remo cycle race between Milan and Sanremo. This race marked the beginning of the so-called "B-B" duo - that is, a Bobet-Barbotin partnership where Barbotin became one of the principal teammates of Bobet, especially as part of the Tour de France. Barbotin rode for various teams, including Stella Dunlop (1948–50), Bottechia (1951–52), Stella Wolber Dunlop (1953), Royal-Codrix (1954), Saint Raphael (1955–57), Margnat-Coupry (1959), and Bobet BP Hutchinson (1958, 1960). Barbotin won 13 victories in his career.