Masterton is a large town in New Zealand.

Masterton may also refer to:

Masterton (New Zealand electorate), an electoral district based around Masterton, New Zealand Masterton (soccer), a soccer club based in Masterton, New Zealand that merged with Carterton in 1996 to form Wairarapa United Masterton Aerodrome, an airfield in Masterton, New Zealand Masterton railway station, a railway station in Masterton, New Zealand Masterton Trophy, a National Hockey League award named after Bill Masterton

Surname Bill Masterton (1938–1968), ice hockey player Danny Masterton (1954–2020), Scottish footballer Graham Masterton (born 1946), British horror author James Masterton (born 1973), music writer and columnist Nancy Masterton (1930–2015), American legislator Rebecca Masterton, British Islamic scholar Steven Masterton (born 1985), Scottish footballer