Maltby is a surname. Notable people with the surname include:
Christopher Maltby, the British Major-General in command of Hong Kong who defended against the Japanese attack on the colony in December, 1941
H.F. Maltby, prolific UK (originally from South Africa) actor and writer for many media
Jasper A. Maltby, American Civil War general
John Maltby, distinguished British painter and ceramics maker, born 1936
Kirk Maltby, active NHL ice hockey player
Lauren Maltby, actress featured in all three Zenon Disney Channel (US) movies
Margaret Eliza Maltby, American physicist
Richard Maltby, Sr. American bandleader
Richard Maltby, Jr., Tony Award-winning Broadway (New York City) theatre director and lyricist
Sir Thomas Maltby, Australian politician and Speaker of the Victorian Legislative Assembly
