Jacob Kohler (October 27, 1860 – January 19, 1934) was an Ontario farmer and political figure.
He represented Haldimand in the Legislative Assembly of Ontario from 1905 to 1911 as a Liberal member.
He was a livestock dealer, in partnership with his brother Christian, who also later served in the provincial assembly.
Kohler was reeve of North Cayuga Township and also served as warden for Haldimand County.
This article about an Ontario Liberal Party MPP is a stub.