Henry Marrett
Personal information
Country	England
Born	15 December 1879 India
Died	24 December 1961 (aged 82) India
Medal record Representing  ENG All England Open Badminton Championships 1904 London singles 1905 London singles 1908 London singles 1904 London doubles 1906 London doubles 1908 London doubles 1910 London doubles 1912 London doubles 1904 London mixed 1905 London mixed

Henry Norman Marrett (born 15 December 1879 in Umballa) was a male badminton player from England.

Marrett won the All England Open Badminton Championships, considered the unofficial World Badminton Championships, in men's singles in 1904, 1905 and 1908.

He married fellow badminton player Florence Lannowe.