Ernest Wool Lewis (5 April 1867 – 19 April 1930) was a former co-world No. 1 British amateur lawn tennis player who was active at the end of the 19th century.
Ernest Lewis reached the final of the first Wimbledon Championships gentlemen's doubles competition held in 1884. Partnering E.L. Williams they lost the final to the famous tennis brothers Ernest Renshaw and William Renshaw in four sets. With partner George Hillyard he reached and lost the 1889 and 1890 gentlemen's doubles finals.
In total Lewis would reach seven doubles finals at the Wimbledon Championships during his career (1884,1889, 1890, 1892, 1893, 1894, 1895).
In the gentlemen's singles competition at Wimbledon his best result was reaching the final of the all-comers tournament on four occasions (1886, 1888, 1892 and 1894). In 1886 Lawford beat Ernest Renshaw from 2 sets to 0 down in the quarter finals before losing the all comers final to Herbert Lawford in five sets. In 1888 he lost the all comers final to Ernest Renshaw in four sets. In 1892 Lewis led 2 sets to 0 against Joshua Pim in the all comers final but lost in five sets. In 1894 he won against Herbert Baddeley in the semifinal in a close five set match but was solidly defeated in the final by Wilfred Baddeley, 0–6, 1–6, 0–6.
Lewis won the singles title at the Irish Championships in 1890 after a close–fought battle in the challenge round against Willoughby Hamilton, 3–6, 3–6, 9–7, 6–4, 7–5. He defended his Irish title in 1891 in a straight sets victory over Irishman Joshua Pim. In 1892 he was victorious at the Queens Club Tournament, defeating Joshua Pim in the final.
He won the singles title at the British Covered Court Championships seven times; in 1887, 1888, 1889, 1890, 1891, 1895 and 1896. The first five titles were won when the tournament was played at its original location in Hyde Park, the last two titles were won at the Queen's Club in London.
Grand Slam finals
Singles (4 runners-up)
|Outcome||Year||Championship||Opponent in final||Score in final|
|Runner-up||1886||Wimbledon Championships||Herbert Lawford||2–6, 3–6, 6–2, 6–4, 4–6|
|Runner-up||1888||Wimbledon Championships||Ernest Renshaw||9–7, 1–6, 6–8, 4–6|
|Runner-up||1892||Wimbledon Championships||Joshua Pim||6–2, 7–5, 7–9, 3–6, 2–6|
|Runner-up||1894||Wimbledon Championships||Wilfred Baddeley||0–6, 1–6, 0–6|
Doubles (1 title, 6 runners-up)
|Outcome||Year||Championship||Partner||Opponents in final||Score in final|
|Runner-up||1884||Wimbledon Championships||E.L. Williams|| Ernest Renshaw
|3–6, 1–6, 6–1, 4–6|
|Runner-up||1889||Wimbledon Championships||George Hillyard|| Ernest Renshaw
|4–6, 4 6, 6–3, 6–0, 1–6|
|Runner-up||1890||Wimbledon Championships||George Hillyard|| Joshua Pim
|0–6, 5–7, 4–6|
|Winner||1892||Wimbledon Championships||Harry Barlow|| Herbert Baddeley
|4–6, 6–2, 8–6, 6–4|
|Runner-up||1893||Wimbledon Championships||Harry Barlow|| Joshua Pim
|6–4, 3–6, 1–6, 6–2, 0–6|
|Runner-up||1894||Wimbledon Championships||Harry Barlow|| Herbert Baddeley
|7–5, 5–7, 6–4, 3–6, 6–8|
|Runner-up||1895||Wimbledon Championships||Wilberforce Eaves|| Herbert Baddeley
|6–8, 7–5, 4–6, 3–6|