Albert Pitts Morse (February 10, 1863 – April 29, 1936) was an American entomologist who specialized in the Orthoptera of North America.
Morse was born to Leonard Townsend of Sherborn, Massachusetts and Phebe Adaline Knapp.
He took an interest in the natural world, influenced by naturalists like Amory L. Babcock, Edgar J. Smith and William Edwards.
He farmed for a while and after 1888 he joined Wellesley College as an assistant in the zoology department with which he remained associated until 1933.
He conducted field courses for biology teachers around 1901 and he served as a research assistant at the Carnegie Institution, Washington in 1903 and 1905.