Minasyan, Minasian or Minassian () is an Armenian surname.

Notable people with the surname include:

Minasyan Anahit Minasyan, First Lady of Armenia Arthur Minasyan, multiple people Gor Minasyan (born 1994), Armenian weightlifter Grigor Minasyan (born 1983), Armenian politician Mayis Minasyan (born 1951), Armenian-Iranian footballer Mikayel Minasyan (born 1977), Armenian public figure, diplomat and media mogul Sarik Minasyan (born 1980), Armenian politician Vahagn Minasyan (born 1985), Armenian footballer Vardan Minasyan (born 1974), Armenian footballer and manager

Minasian Ara Minasian (born 1974), Armenian chess grandmaster Arsen Minasian, Armenian-Iranian physician Artashes Minasian (born 1967), Armenian chess player David Minasian, film producer, screenwriter, director, and musician, singer and songwriter Isaiah Aram Minasian (born 1986), an English violinist of Armenian descent from Brighton Perry Minasian (born 1980), American baseball executive, brother of Zack Ruben Ter Minasian, Armenian revolutionary and politician Zack Minasian, American baseball executive, brother of Perry

Minassian Anahide Ter Minassian, born Anahide Kévonian (1929–2019), French historian of Armenian origin Alek Minassian (born 1992), Armenian-Canadian perpetrator of the Toronto van attack Craig Minassian, chief communications and marketing officer of the Clinton Foundation Leone Minassian (1905–1978), Ottoman Empire-born Italian painter of Armenian descent. Levon Minassian, French-Armenian duduk player Margarita Ervandovna Ter-Minassian (1910–1995), sometimes as Ter-Minasyan or Ter-Minasian, Soviet entomologist Nicolas Minassian (born 1973), French race driver of Armenian descent Raphaël Minassian (born 1946), Lebanese-born Armenian Catholic archbishop Sarkis Minassian (1873–1915), also known as Aram Ashod, Armenian journalist, writer, and political activist