| Elmer Lago | |
| Nationality: | Filipino |
| Birth Date: | 13 February 1972 |
| Height Ft: | 6 |
| Height In: | 3 |
| Weight Lbs: | 188 |
| Career Position: | Shooting guard / Small forward |
| College: | De La Salle |
| Draft Year Pba: | 1995 |
| Draft Round Pba: | 2 |
| Draft Pick Pba: | 11 |
| Draft Team Pba: | Formula Shell Gas Kings |
| Career Start: | 1995 |
| Career End: | 2005 |
| Career Number: | 2, 3, 20 |
| Years1: | 1995—1996 |
| Team1: | Formula Shell Zoom Masters |
| Years2: | 1997—1998 |
| Team2: | Purefoods Tender Juicy Hotdogs |
| Years3: | 1999—2001 |
| Team3: | Barangay Ginebra Kings |
| Years4: | 2002 |
| Team4: | Talk 'N Text Phone Pals |
| Years5: | 2002—2003 |
| Team5: | Barangay Ginebra Kings |
| Highlights: | As player |
Elmer Lago (February 13, 1972) is a retired Filipino professional basketball player. He is the younger brother of Dwight Lago.
A former La Salle Green Archer, Lago played for Formula Shell Zoom Masters, Purefoods Tender Juicy Hotdogs, Talk 'N Text Phone Pals,[1] and Barangay Ginebra Kings, on his PBA days.[2]