| Alberto Reynoso | |
| Number: | 4 |
| League: | Philippine Basketball Association |
| Position: | Center |
| Height Ft: | 6 |
| Height In: | 2 |
| Weight Lb: | 216 |
| Nationality: | Filipino |
| Birth Date: | 14 May 1940 |
| Birth Place: | Pasig, Rizal, Commonwealth of the Philippines |
| Death Place: | Sacramento, California, U.S. |
| College: | San Beda |
| Draft Year Pba: | 1975 |
| Draft Team Pba: | Toyota Super Corollas |
| Career Start: | 1960 |
| Career End: | 1977 |
| Years1: | 1960–1968 |
| Team1: | Ysmael Steel Admirals |
| Years2: | 1968–1972 |
| Team2: | Meralco Reddy Kilowatts |
| Years3: | 1973–1976 |
| Team3: | Toyota Comets |
| Years4: | 1977 |
| Team4: | Mariwasa Honda |
| Coach Start: | 1977 |
| Coach End: | 1987 |
| Cyears1: | 1977–1982 |
| Cteam1: | Mariwasa Honda Finance, Inc. Galerie Dominique |
| Cyears2: | 1984–1987 |
| Cteam2: | Al Manama Sports Club |
Alberto C. Reynoso[1] (May 14, 1940 – November 22, 2011),[2] also known by his nickname "Big Boy" Reynoso, was a professional basketball player from the Philippines.
During the 1960s to 1970s, Reynoso played in the amateur basketball tournament of the Manila Industrial and Commercial Athletic Association. He later played in the professional Philippine Basketball Association from its formation in 1975 to his retirement. Though he was listed as only being 6'2" in height, he was selected numerous times to play the center position on the country's national basketball team.