Paul Leary Walthall (born May 7, 1957), usually known simply as Paul Leary, is an American musician from Austin, TX, best known as the guitarist for American alternative rock band Butthole Surfers. He is also the producer of a number of songs and albums by other bands, including U2, Sublime, Meat Puppets, Daniel Johnston, Reverend Horton Heat, Pepper, Maggie Walters, Bad Livers, Slightly Stoopid and The Refreshments, Tumbledryer Babies. In July 2010 he mixed a track for Sydney noise mongers Sludge Buzzard soon to be released on their debut record. Leary's most recent work is producing the debut album Yours Truly by Sublime with Rome.

In 1991, he released a solo album entitled The History of Dogs.

In 1994, Leary appeared on the song "Lounge Fly" from the multi-platinum album Purple by Stone Temple Pilots. He also performed backing vocals on Meat Puppets and Bad Livers respective renditions of his song "Pee Pee the Sailor".

His new band is Carny whose CD is nearing completion as of December 2011. The album will be released in 2012.

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