| Honorific-Prefix: | Count |
| Carl B. Hamilton | |
| Order: | Member of the Riksdag for Stockholm Municipality |
| Term Start: | 1991 |
| Term End: | 1993 |
| Term Start2: | 1994 |
| Term End2: | 1994 |
| Term Start3: | 1997 |
| Term End3: | 1998 |
| Term Start4: | 2002 |
| Term End4: | 2014 |
| Birth Name: | Carl Peter Bastiat Hamilton |
| Birth Date: | 1 January 1946 |
| Birth Place: | Gothenburg, Sweden |
| Nationality: | Swedish |
| Party: | Liberal People's Party |
Count Carl Peter Bastiat Hamilton (born 1 January 1946 in Gothenburg) is a Swedish count, economist and politician.
He has been a Member of Parliament for the Liberal People's Party from 1997 to 1998, and again since 2002. He sits in the parliament's Committee on the Labour Market and is vice-chair of the Committee on EU Affairs. He is also a member of the party board of the Liberal People's Party.
From 1993 to 1994 he served as an Undersecretary of State at the Swedish Ministry of Finance.
Hamilton holds a doctorate in economics from London in 1974. From 1992 to 1997 he served as a professor in economics at the Stockholm University. During the mid '90s he worked as chief economist at Handelsbanken. He has been a part-time professor in international economics at the Stockholm School of Economics since 1999.