Ernest James Renshaw was a British tennis player who was active in the late 19th century.

William Charles Renshaw was a British tennis player active during the late 19th century, who was ranked world No. 1. He won twelve Major titles during his career. A right-hander, he was known for his power and technical ability which put him ahead of competition at the time. Renshaw shared the all-time male record of seven Wimbledon singles titles with American Pete Sampras until 2017 when Roger Federer won his eighth singles title. His six consecutive singles titles (1881–86) is an all-time record. Additionally he won the doubles title five times together with his twin brother Ernest. William Renshaw was the first president of the British Lawn Tennis Association (LTA).