Jacqui Morgan, (February 22, 1939 – July 3, 2013) born Jacquelynn Morganstern in New York, was an American illustrator, educator and watercolour painter. She became influential during the 1960s and 1970s with the youthful and psychedelic style of her illustrations. She was one of the first female commercial illustrator/designers in the United States. Her 1967 poster for the New York City club Electric Circus is considered a milestone of 20th century graphic design.