| Birth Date: | 31 March 1928 |
| Death Date: | 14 February 2018 |
| Party: | Centre Party |
| Office: | member of the Riksdag |
| Term Start: | 1965 |
| Term End: | 1984 |
| Office1: | Minister of Communications (Transport) |
| Term1: | 1981 to 1982 |
| Office2: | county governor of Gotland County |
| Term2: | 1984 to 1991 |
Claes Yngve Elmstedt (31 March 1928 – 14 February 2018[1] in Ronneby) was a Swedish politician. He was a member of the Centre Party. He was elected to the second chamber of parliament from 1965 to 1970, and then from 1971 of the unicameral parliament until 1984.
He was Minister of Communications (Transport) in the government of Thorbjörn Fälldin 1981 to 1982 and county governor of Gotland County from 1984 to 1991.[2] [3]