Maltbie may refer to:
Surname Milo R. Maltbie (1871–1962), American economist and public utility regulator Roger Maltbie (born 1951), American golfer Theodore Mills Maltbie (1842–1915), American lawyer and politician William M. Maltbie (1880–1961), American lawyer and judge
Given name Maltbie Davenport Babcock (1858–1901), American clergyman and writer