Liza Smith (née Parker; born 30 October 1980) is a retired English badminton player.

Her best year on the international circuit was 2004 when she won both mixed and women's doubles titles at the Canadian Open as well as winning the Norwegian and Iceland women's doubles titles.

She was also a Hertfordshire county stalwart and played for Redstar Mulhouse in France.

She made her debut for country when she played women's doubles with Jo Davies against China in 1999 but only won a total of six caps.

She was born in the era of other prominent doubles stars from England and wasn't fortunate enough to represent the country at the Olympics or Commonwealth games.