Ulf is a masculine name common in Scandinavia and Germany. It derives from the Old Norse word for "wolf" (úlfr). The oldest written proof of the name's occurrence in Sweden is from a runestone from the 11th Century. The female form is Ylva. Ulf is a relatively common name among men between 30 and 60 but is mostly used as a second name today.
People named Ulf include:
- Ulf the Earl, brother-in-law of Cnut the Great and regent of Denmark
- Ulf Adelsohn, Swedish politician, former leader of Moderata Samlingspartiet and county governor of Stockholm
- Ulf Andersson, Swedish chess player
- Ulf Dahlén, Swedish ice hockey player
- Ulf Ekberg, Swedish pop musician
- Ulf Ekman, Swedish pastor, leader of Livets Ord
- Ulf Eriksson, Swedish soccer player
- Ulf von Euler, Swedish physiologist
- Ulf Fase Swedish jarl during the Middle Ages
- Ulf Hohmann, German ethology researcher
- Ulf Kristersson, Swedish politician
- Ulf Kirsten, German soccer player
- Ulf Larsson, Swedish actor and TV host
- Ulf Lif, Swedish Professional Snow-Cross Racer
- Ulf Lundell, Swedish author and rock musician
- Ulf Lundkvist, Swedish comic creator, illustrator, and painter
- Ulf Mattsson, Swedish inventor, it security software developer
- Ulf Olsson, Swedish murderer
- Ulf Ottosson, Swedish soccer player, "Mål-Otto"
- Ulf Palme, Swedish film actor
- Ulf Pilgaard, Danish actor
- Ulf Samuelsson, Swedish ice hockey player
- Ulf Schmidt, Swedish tennis player
- Ulf Timmermann, German shot putter