| Richard Colter | |
| Office: | Ontario MPP |
| Term Start: | 1934 |
| Term End: | 1937 |
| Predecessor: | New riding |
| Successor: | Eric Cross |
| Constituency: | Haldimand—Norfolk |
| Party: | Liberal |
| Birth Date: | 10 August 1878 |
| Birth Place: | Cayuga, Ontario |
| Death Place: | Cayuga, Ontario |
| Spouse: | Aletha Birdsall (m. 1903) |
| Children: | 4 |
| Occupation: | Lawyer |
Richard Samuel Colter (August 10, 1878 - June 3, 1950) was a lawyer and politician in Ontario, Canada. He represented Haldimand—Norfolk in the Legislative Assembly of Ontario from 1934 to 1937 as a Liberal.
The son of Charles Wesley Colter and Annie Folinsbee, he was born in Cayuga and was educated there and at Osgoode Hall Law School. In 1903, he married Aletha Birdsall.[1] Together they raised four children. He was chairman of the Ontario Municipal Board. He died in Cayuga in 1950, aged 71.[2]