Warbrick is a surname. Notable people with the surname include:
Alfred Warbrick (1860–1940), New Zealand rugby union player Arthur Warbrick ( – 1902), New Zealand rugby union player Billy Warbrick ( – 1901), New Zealand rugby union player Doug Warbrick (born 1942), Australian businessman Fred Warbrick (1869–1904), New Zealand rugby union player Joe Warbrick (1862–1903), New Zealand rugby union player Stephen Warbrick, American animator, producer, voice actor and writer William Warbrick (born 1998), New Zealand professional rugby league footballer