Björn Ulvaeus
| Björn Ulvaeus | |
|---|---|
| Ulvaeus in 2023 | |
| Born | Björn Kristian Ulvaeus 25 April 1945 Gothenburg, Sweden | 
| Occupations | 
 | 
| Years active | 1963–present | 
| Spouses | Lena Källersjö  (m. 1981; div. 2022) Christina Sas (m. 2024) | 
| Children | 4, including Linda | 
| Musical career | |
| Genres | |
| Instruments | 
 | 
| Labels | |
| Formerly of | Hootenanny Singers, ABBA | 
| Signature | |
Björn Kristian Ulvaeus (Swedish: [ˈbjœːɳ ɵlˈvěːɵs] ⓘ; born 25 April 1945) is a Swedish musician, singer, songwriter, and producer best known as a member of the musical group ABBA. He is also the co-composer of the musicals Chess, Kristina från Duvemåla, and Mamma Mia! He co-produced the films Mamma Mia! and Mamma Mia! Here We Go Again with fellow ABBA member and close friend Benny Andersson. He is the oldest member of the group.