Save Type Surname Usage Swedish (Rare) Pronounced Pron. uyl-VEH-uys [key·IPA] Other Forms FormsUlvæus Meaning & History Allegedly a latinization of Ulfsäter, a combination of Swedish ulv "wolf" and säter "mountain pasture". Björn Ulvaeus (b. 1945) is a Swedish songwriter, composer and former member of ABBA.