Jane Boleyn, Viscountess Rochford (c. 1505 – 13 February 1542) was a sister-in-law of King Henry VIII of England. She was the wife of George Boleyn, 2nd Viscount Rochford, brother of Henry's second wife, Anne Boleyn. Jane had a role in the judgments and subsequent executions of her husband and of two of Henry's wives, and was a lady-in-waiting to a fourth. She also served as lady-in-waiting to her cousin-in-law, Henry's fifth wife, Catherine Howard, with whom she was executed.