Taylor Negron Dead -- Comedy Actor Dies at 57 After Battle With Cancer

Veteran comedy actor Taylor Negron died Saturday ... this according to his cousin -- and he had been reportedly battling cancer for years.

Negron's cousin Chuck Negron -- lead singer of Three Dog Night -- confirmed the sad news with an emotional video ... saying the actor was surrounded by family when he passed away.

Taylor had roles in a slew of TV shows ... as well as famous movies like -- "Stuart Little," "Bio-Dome," Nothing But Trouble," "Fast Times at Ridgemont High" and "Angels in the Outfield."

He was 57 years-old.