Karen Bertelsen is a Canadian television personality, known for hosting various programs, including HGTV Canada's Superstar-styled shows, Handyman Superstar Challenge, Designer Superstar Challenge and Slice Network's Superstar Hair Challenge.

She was nominated for a Gemini Award in the hosting category for the W Network makeover show Stylin' Gypsies.

She began her career on the local community channel Cable 14 in Hamilton, and then moved to CFMT.

She was also a personality for MuchMoreMusic. Most recently Bertelsen hosted the W Expert Challenge and the lifestyle show Playing House, both for Canada's W Network.