Kate Lawler (born May 6, 1980 in Beckenham, London) is a minor British celebrity.

She became famous in July 2002 when she won the third British season of Big Brother, the first female winner of Big Brother UK. She was 22 at the time and received over 3 million votes, one million more than runner up Jonny.

In September of that year she became a disc jockey on Capital FM, a position she held until December 2003. She co-presented the breakfast TV show RI:SE from February 2003 until it was axed in December of that year.

In 2005, she was one of the competitors in the ITV show Celebrity Wrestling, competing under the name, The Brawler. She helped her team, the Warriors, win the team championship, but was eliminated in the semi-finals of the individual competition by Leilani Dowding.

She now divides her time between London and Marbella, where she works as a club disc jockey, and is an occasional columnist for the UK-based celebrity gossip magazines OK! and New.

Kate spoke a lot about her nephew Alfie, then aged one, whilst in the Big Brother House. Alfie is the son of older sister, Kelly. Kate also has a brother Robert and a twin sister Karen.

Kate supports Arsenal Football Club and her middle name is Louise.