Louis Herman (April 16, 1930 – August 3, 2016)[1] was an American marine biologist. He was a researcher of dolphin sensory abilities, dolphin cognition, and humpback whales. He was professor in the Department of Psychology and a cooperating faculty member of the Department of Oceanography at the University of Hawaiʻi at Mānoa. He founded the Kewalo Basin Marine Mammal Laboratory (KBMML) in Honolulu, Hawaii in 1970 to study bottlenose dolphin perception, cognition, and communication. In 1975, he pioneered the scientific study of the annual winter migration of humpback whales into Hawaiian waters. Together with Adam Pack, he founded The Dolphin Institute in 1993, a non-profit corporation dedicated to dolphins and whales through education, research, and conservation.
Herman served as a member of the Sanctuary Advisory Council for the Hawaiian Islands Humpback Whale National Marine Sanctuary. In total, he has published over 120 scientific papers.