| Honorific-Prefix: | Honourable Rev. |
| Peter Msigwa | |
| Honorific-Suffix: | MP |
| Office: | Member of Parliament for Iringa Town Constituency |
| Term Start: | November 2010 |
| Predecessor: | Monica Mbega |
| Birth Date: | 8 June 1965 |
| Nationality: | Tanzanian |
| Party: | CCM |
| Alma Mater: | All Africa Bible College, South Africa |
Peter Simon Msigwa (born 8 June 1965) is a Tanzanian politician and Member of Parliament for Iringa Town constituency for two consecutive terms since 2010.[1] Although he was formerly a member of CHADEMA, he joined the ruling party CCM in June of 2024.[2]