Brian Edmund Peter Keenan (January 28, 1943 – October 5, 1985) was an American musician, best known as the drummer for the Chambers Brothers. Born in New York, he also lived in Conisbrough near Doncaster, Yorkshire, England, and Ireland as a child.

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Keenan was part of the Chambers Brothers from 1965 to 1971,^[1] and also played with the pre-"Doo Wah Diddy Diddy" Manfred Mann group in England. His own group was the house band at Ondine, the first discotheque in New York City.^{[citation needed]}

After playing briefly with Manfred Mann, Keenan returned to New York in the mid-1960s.^[2] Prior to joining The Chambers Brothers, Keenan was a member of the Ondine night club house band, The Losers which was formed around 1965. Referred to as a funky blues rock pop band, the group is said to have been made up pf Joe Nessor (bass and vocal), Tony Sal (Guitar and vocal), Brian Keenan (drums) and a guitarist possibly called Russell.^[3] The group is referred to as Reunion in a Chicago Tribune article.^[4]

He started up his own recording studio in Connecticut.^[7]

Keenan suffered a fatal heart attack on October 5, 1985, at age 42.^[1] Keenan is buried at Queen of Peace cemetery in Stamford, Connecticut. He leaves one child, a daughter, also a drummer.^{[citation needed]}