Tammy Kelly Miller (born 21 June 1967 in Stockport, Cheshire) is a former field hockey player, who was a member of the British squad that won the bronze medal at the 1992 Summer Olympics in Barcelona. She competed in two consecutive Summer Olympics, starting in 1992.
In 1995 she was UK (Hockey) Player of the year.
She is a graduate of Mathematical Statistics and Operational Research (1989) at the University of Exeter.