Bayliss is a surname. Notable people with the surname include:
Adam Bayliss, film producer
Alfred Bayliss, American educational administrator
Brendan Bayliss, musician
David Bayliss, footballer
Edward Bayliss, cricketer
Garland Bayliss, American historian and university administrator
George Bayliss, Australian Rules footballer
John Bayliss, poet and editor
Jonah Bayliss, baseball player
Jonathan Bayliss, novelist and playwright
Lisa Bayliss, field hockey player
Mark Bayliss, Australian Rules footballer
Richard Bayliss, English medical doctor and Physician to the Queen
Simon Bayliss, musician
Trevor Bayliss, Australian cricketer
Troy Bayliss, motorcycle racer
William Bayliss, physiologist
Wyke Bayliss, painter, author, and poet
Bayliss Levrett, racing driver
Fictional characters
Jim Bayliss/Sue Bayliss, in All My Sons
Tim Bayliss, a fictional character in TV show Homicide: Life on the Street
