List of Famous people who died at 66

Alexander Tschäppät was a Swiss politician. Tschäppät was a member of the Social Democratic Party of Switzerland. He has been a member of the National Council of Switzerland from 1991 to 2003 and again 2011 to 2018. He was mayor (Stadtpräsident) of Bern 2005 until 2016.

Gail Zeiler, known professionally as Kacey Jones, was an American singer-songwriter, producer and humorist. After co-writing the Mickey Gilley hit "I'm the One Mama Warned You About", she found success as a performer through the band Ethel & The Shameless Hussies, with whom she released her first album. Later, in 1997, she released her first solo album, Men Are Some of My Favorite People, through Curb Records, before founding her own label, IGO Records, co-founding the Kinkajou Records label with Kinky Friedman and creating two publishing houses—Zamalama Music and Mamalama Music. Since her first solo album, Jones released eight CDs and produced music for both the theatrical comedy Nipples to the Wind and the movie Sordid Lives.

Eusebio Grados, also known as Chato Grados was a Peruvian huayno singer.

Zhang Yang was a general in the Chinese People's Liberation Army (PLA) who served as Director of the Political Work Department. He was previously political commissar of the Guangzhou Military Region. He committed suicide in November 2017 when under disciplinary investigation.

Thomas Stanford Lyle was an American comics artist, best known for his work on Starman and Robin for DC Comics, and Spider-Man for Marvel Comics.

Kotozakura Masakatsu was a Japanese professional sumo wrestler from Kurayoshi, Tottori. He was the sport's 53rd yokozuna. He made his professional debut in 1959, reaching the top division in 1963. After several years at the second highest rank of ōzeki, in 1973 he was promoted to yokozuna at the age of thirty-two years two months, becoming the oldest wrestler to be promoted to yokozuna since 1958, when the current six tournaments system was established. After his retirement he was head coach of Sadogatake stable and produced a string of top division wrestlers.

Soslan Petrovich Andiyev was a Soviet heavyweight freestyle wrestler. He was an Olympic champion in 1976 and 1980, world champion in 1973, 1975, 1977 and 1978, European champion in 1974, 1975 and 1982, and Soviet champion in 1973–78 and 1980. He won the World Cup in 1976 and 1981, but missed the 1984 Olympics due to their boycott by the Soviet Union and retired the same year. After that he first worked as a national wrestling coach, but in 1989 returned to his native Ossetia to become a sports functionary. In 1990–98, he served as vice-president of the Russian Olympic Committee. In 2006 he was inducted into the FILA Wrestling Hall of Fame.

Michael Thomas Maria Wessing was a German javelin thrower.

Chan Hung-lit, also known as Chen Hung-lieh and Golden Chan, was a Hong Kong actor famous for portraying villains from the 1960s to 1980s.

Waldir Peres de Arruda, known as Waldir Peres, was a Brazilian footballer who played as a goalkeeper, in particular with São Paulo FC and the Brazilian national team.