| First Name | Bjorn |
| Last Name | Ulvaeus |
| Full Name at Birth | Björn Christian Ulvaeus |
| Age | 66 |
| Date of Birth | April 25, 1945 |
| Birthplace | Gothenburg, Sweden |
| Height | 5' 9½" (177 cm) |
| Build | Average |
| Eye Color | Blue |
| Hair Color | Brown - Light |
| Star Sign | Taurus |
| Religion | Secular Humanist |
| Ethnicity | White |
| Nationality | Swedish |
| Occupation Category | Musician |
| Claim to Fame | ABBA |
| Music Genre | Pop/Rock |
| Music Style | Euro-Pop, Classical |
| Instrument | Guitar, Vocals |
| Official Website | facebook.comiheu.orgraffem.comthorsven.netdummipedia.org |
| Associated People | Agnetha Faltskog (ABBA singer and composer, ex-wife)Benny Andersson (ABBA singer, composer & keyboards)Anni-Frid Lyngstad (ABBA singer and composer) |
Björn Kristian Ulvaeus (Swedish pronunciation: born 25 April 1945) is a Swedish songwriter, composer, musician, writer, producer, a former member of the Swedish musical group ABBA (1972–82), and co-composer of the musicals Chess, Kristina från Duvemåla, and Mamma Mia!. He has recently coproduced the film Mamma Mia! with ex-ABBA member and close friend Benny Andersson.
Selected Björn Ulvaeus film and TV show credits: