Erik Ullenhag (born July 20, 1972 in Uppsala) is a Swedish jurist and politician with the Liberal People's Party. Ullenhag was chairman for the Liberal Youth of Sweden between 1997 and 1999 and a Member of the Riksdag between 2002 and 2006. On October 10, 2006 Ullenhag was appointed party secretary for the Liberal People's Party.
Erik Ullenhag is the son of Jörgen Ullenhag.