| Gilbert Colgate | |
| Full Name: | Gilbert Bayard Colgate Jr. |
| Nationality: | American |
| Sport: | Bobsleigh |
| Birth Date: | 21 December 1899 |
| Birth Place: | New York City, USA |
| Death Place: | New York City, USA |
Gilbert Bayard Colgate Jr. (December 21, 1899 - October 9, 1965) was an American businessman and bobsledder who competed in the 1930s. He won the bronze medal in the two-man event at the 1936 Winter Olympics in Garmisch-Partenkirchen, with teammate Richard Lawrence.
Colgate, a 1922 Yale University graduate, and brother of the Delta Kappa Epsilon fraternity (Phi chapter); was also one of five children of Gilbert Colgate Sr., who was the great-grandson of William Colgate, who founded what is now the Colgate-Palmolive Company. He served as a director of the Colgate company and was chairman of the Colgate-Larsen Aircraft Company. Gil Colgate was concerned about the population explosion and became one of the founders of Planned Parenthood.