Glenda Reiser, (16 June 1955 – 6 January 2008) was a Canadian middle-distance runner.

She then progressed very rapidly in the sport and excelled as a junior, running the 1500 metres in 4 minutes 15.9 seconds.

She competed in the inaugural women's 1500 metre Olympic event at the 1972 Summer Olympics in Munich, where she finished second in her heat with a time of 4 minutes 6.7 seconds to Lyudmila Bragina who broke the world record.

At the summer Universiade held in Moscow in 1973, Glenda took home a silver medal in the 1500 metres.

She also took a silver medal in the 1500 metres, and a bronze medal in the 800 metres at 1973 Pacific Conference Games in Toronto; where she had a tight finish with Mary Decker (USA) and Charlene Rendina (Aus), in which all 3 medalist finished within 1/10 of a second of one other.