| Sonja Frey | |
| Fullname: | Sonja Frey |
| Nationality: | Austrian |
| Birth Date: | 22 April 1993 |
| Birth Place: | Vienna, Austria |
| Position: | Centre back/Left Wing |
| Currentclub: | Thüringer HC |
| Clubnumber: | 5 |
| Youthyears1: | 2001–2003 |
| Youthclubs1: | WAT Fünfhaus |
| Youthclubs2: | MGA Fivers |
| Years1: | –2012 |
| Clubs1: | MGA Fivers |
| Years2: | 2012–2016 |
| Clubs2: | Thüringer HC |
| Years3: | 2016–2017 |
| Clubs3: | Dijon Bourgogne Handball |
| Years4: | 2017–2019 |
| Clubs4: | Issy-Paris Hand |
| Years5: | 2019–2021 |
| Clubs5: | Team Esbjerg |
| Years6: | 2021–2022 |
| Clubs6: | Herning-Ikast Håndbold |
| Years7: | 2022– |
| Clubs7: | Thüringer HC |
| Nationalyears1: | 2009– |
| Nationalcaps1: | 88 |
| Nationalgoals1: | 418 |
| Ntupdate: | 29 September 2019 |
Sonja Frey (born 22 April 1993)[1] is an Austrian handballer who plays as a centre back for Thüringer HC and the Austria women's national handball team.