Charles "Chuck" Negron (June 8, 1942 – February 2, 2026) was an American singer, best known as a member of the rock band Three Dog Night.

Negron was born in Manhattan in 1942 and grew up in the Bronx. He sang in local doo-wop groups and was a talented basketball player. In 1968, he formed the successful band Three Dog Night with Danny Hutton and Cory Wells, which disbanded in 1977.

Negron struggled with drug addiction for many years. After overcoming it, he embarked on a solo career. His autobiography, Three Dog Nightmare, was published in 1999. From 2005 onward, Negron owned the rights to the band name Blood, Sweat & Tears. He died in February 2026 at the age of 83 in Los Angeles.

Discography (solo)
- Am I Still in Your Heart (1995)
- Long Road Back (1999)
- Chuck Negron – Live in Concert (live double CD, 2001)
- Joy to the World (2001)

Bibliography
- Chuck Negron: Three Dog Nightmare: The Continuing Chuck Negron Story (expanded edition of the 1999 autobiography). Publisher Literary Architects, 2008. ISBN 978-1933669137 (English)

Charles Negron - Easy to Be Hard (Live)

Chuck Negron - One (is the Loneliest Number)

Remembering Chuck Negron of Three Dog Night *RIP*