Katherine Kelly Lang (born Katherine Kelly Wegeman on July 25, 1961) is an American actress. She is known for her role as Brooke Logan on The Bold and the Beautiful (1987–present).

Katherine Jenkins, OBE (born 29 June 1980) is a Welsh lyric mezzo-soprano, singer and songwriter. She is a popular classical-crossover singer who performs across a spectrum of operatic arias, popular songs, musical theatre and hymns.

Katherine Cannon (born September 6, 1950) is an American actress.

Katharine Payne Towne (born July 17, 1978) is an American actress, born in Hollywood, California to Julie Payne, an actress, and Robert Towne, an Oscar-winning screenwriter, director, and actor. She is a grandchild of actors John Payne and Anne Shirley.

Jennifer Jostyn (born November 11, 1968) is an American actress.

Katharina Thalbach (born 19 January 1954 in Berlin) is a German actress and film director.