Álvaro Fillol (born 4 December 1952), is a former professional tennis player from Chile. He enjoyed most of his tennis success while playing doubles. During his career he won 5 doubles titles. He is the younger brother of tennis player Jaime Fillol,^[1] the uncle of Jaime Fillol Jr., and the great-uncle of Nicolás Jarry.

Result	W/L	Date	Tournament	Surface	Partner	Opponents	Score
Win	1–0	Apr 1978	Las Vegas, U.S.	Hard	Jaime Fillol	Bob Hewitt Raúl Ramírez	6–3, 7–6
Win	2–0	Nov 1978	Bogotá, Colombia	Clay	Jaime Fillol	Hans Gildemeister Víctor Pecci	6–4, 6–3
Loss	2–1	Dec 1978	Santiago, Chile	Clay	Jaime Fillol	Hans Gildemeister Víctor Pecci	4–6, 3–6
Win	3–1	Nov 1979	Quito, Ecuador	Clay	Jaime Fillol	Iván Molina Jairo Velasco, Sr.	6–7, 6–3, 6–1
Win	4–1	Mar 1980	San Jose, Costa Rica	Hard	Jaime Fillol	Anand Amritraj Nick Saviano	6–2, 7–6
Win	5–1	Nov 1980	Bogotá, Colombia	Clay	Carlos Kirmayr	Andrés Gómez Ricardo Ycaza	6–4, 6–3
Loss	5–2	Nov 1981	Buenos Aires, Argentina	Clay	Jaime Fillol	Marcos Hocevar João Soares	6–7, 7–6, 4–6

• Álvaro Fillol at the Association of Tennis Professionals
• Álvaro Fillol at the International Tennis Federation