Frith is a surname. Notable people with the surname include:
Benjamin Frith, British pianist
Billy Frith, English football club manager
Clifford Brodie Frith, Australian ornithologist
Chris Frith, British psychologist
David Frith, British cricket writer
Dawn Whyatt Frith, Australian ornithologist
Doug Frith, Canadian politician
Francis Frith, British photographer
Fred Frith, British musician
Freddie Frith, British Grand Prix motorcycle road racing World Champion
Harold James Frith, Australian ornithologist
Heather Frith, Bermudian singer-songwriter and poet Heather Nova
Hezekiah Frith, 1763-1848, Bermudian, "Gentleman" Privateer and British Ship Owner, engaged in Piracy in the 1890s
John Frith, English Protestant martyr
Mark Frith, British journalist
Mary Frith, English pickpocket
Michael K. Frith, Bermudian, former Executive Vice President and Creative Director for Jim Henson Productions, Close Friend and Editor of Dr. Seuss' books, Editor and Art Director of Sesame Street Books,
Royce Frith (1923–2005), Canadian diplomat and politician
Simon Frith, British musicologist
Uta Frith, British developmental psychologist
William Powell Frith, British artist
William Silver Frith, British sculptor
