Joslyn Hoyte-Smith (born 16 December 1955) is a former British 400m athlete. She competed in the 1980 Summer Olympics in Moscow, where as part of the women's 4 x 400m relay team, she won a bronze medal. She also ran in the 4 x 400m relay team at the 1984 Summer Olympics in Los Angeles. She was the winner of the 400m at the UK Championships in 1979, 1981 and 1983. She also won the 400m title at the AAA Championships in 1981. She is currently Athlete Support Manager for Yorkshire.