| Party: | Social Democratic Party of Austria |
| Constituency Mp: | Austria |
| Term Start: | 10 October 2022 |
| Parliament: | European |
| Birth Place: | Schwaz, Tyrol, Austria |
| Nationality: | Austrian |
| Predecessor: | Bettina Vollath |
Theresa Muigg (born 15 June 1984) is an Austrian politician of the Social Democratic Party (SPÖ) who has been serving as a Member of the European Parliament since 2022.[1]