List of Famous people who died at 66

Sir James Douglas Wishart Thomson, 2nd Baronet was a Scottish Unionist politician.

Randal John Somerled McDonnell, 8th Earl of Antrim (1911–1977) was a diplomat, activist, soldier and administrator from Northern Ireland. He became chairman of the National Trust in 1965.

Martinho Lutero Galati de Oliveira was a Brazilian conductor, born in Alpercata. He died in São Paulo in March 2020 after suffering from COVID-19.

Claude Jeancolas was a French writer, art historian and journalist. He is best known for his expertise on Arthur Rimbaud.

Gerda Mylle was a Belgian politician of the Christen-Democratisch en Vlaams party. She became the first woman mayor of Izegem. She retired at the end of 2018, after being a politician for 30 years.

Ivan Tors was a Hungarian playwright, film director, screenwriter, and film and television producer with an emphasis on non-violent but exciting science fiction, underwater sequences, and stories involving animals. He started a Miami-based film studio now known as Greenwich Studios, and later a music company.

Z'EV was an American poet, percussionist, and sound artist. After studying various world music traditions at CalArts, he began creating his own percussion sounds out of industrial materials for a variety of record labels. He is regarded as a pioneer of industrial music.