Tera van Beilen (born March 30, 1993) is a Canadian competition swimmer and Olympian. In the 2010 Summer Youth Olympics in Singapore, Van Beilen won a gold medal in the women's 100-metre breaststroke and a silver in the 200-metre breaststroke. In 2012, while competing in the Canadian Olympic trials in Montreal, Van Beilen had qualified for the Olympics. She placed first with a time of 2:24.03, ahead of Canadian swimmer Martha McCabe with a time of 2:24.81. Van Beilen's timing placed her second in the world for 2012, behind the 2:22.73 time of reigning American Olympic champion Rebecca Soni.