Karl Johan Magnus Ulveson (born 30 May 1954) is a Swedish actor and comedian. Most famous for Lorry, c/o Segemyhr and Parlamentet.

Ulveson grew up in Stockholm, graduated in Malmö and started his career at Norrbottensteatern in Luleå before his national breakthrough working with Povel Ramel in Affär Ramel. He voice Calcifer in the Swedish dub of Howl's Moving Castle