| Ian Mariano | |
| Birth Date: | 7 October 1990 |
| Birth Place: | Tamuning, Guam |
| Position: | Defender |
| Currentclub: | Bank of Guam Strykers |
| Years1: | 2007–2008 |
| Clubs1: | Guam Shipyard |
| Caps1: | 14 |
| Goals1: | 5 |
| Years2: | 2008–2010 |
| Clubs2: | Islanders |
| Caps2: | 35 |
| Goals2: | 7 |
| Years3: | 2010–2012 |
| Clubs3: | Cars Plus FC |
| Caps3: | 48 |
| Goals3: | 2 |
| Years4: | 2012 |
| Clubs4: | Table 35 Espada |
| Caps4: | 7 |
| Goals4: | 2 |
| Years5: | 2013 |
| Clubs5: | Pachanga Diliman |
| Caps5: | 15 |
| Goals5: | 2 |
| Years6: | 2013–2019 |
| Clubs6: | Rovers FC |
| Caps6: | 22 |
| Goals6: | 12 |
| Clubs7: | Bank of Guam Strykers |
| Years7: | 2019– |
| Nationalyears1: | 2007– |
| Nationalteam1: | Guam |
| Nationalcaps1: | 42 |
| Nationalgoals1: | 3 |
| Pcupdate: | 15 June 2013 |
| Ntupdate: | 13 June 2021 |
Ian Mariano (born 7 October 1990) is a Guamanian international footballer[1] who plays for Bank of Guam Strykers. He made his first appearance for the Guam national football team in 2007. Ian has Filipino blood. He is one quarter Filipino due to his grandmother who comes from Samar, Philippines.
| No. | Date | Venue | Opponent | Score | Result | Competition |
|---|---|---|---|---|---|---|
| 1. | 13 March 2009 | 2–0 | 2–1 | 2010 East Asian Football Championship | ||
| 2. | 6 March 2013 | 2–0 | 3–0 | 2014 AFC Challenge Cup qualification | ||
| 3. | 25 July 2014 | Guam Football Association National Training Center, Dededo, Guam | 5–0 | 5–0 | 2015 EAFF East Asian Cup | |