| Samuel Ajayi | |
| Fullname: | Samuel Gbenga Ajayi |
| Birth Date: | 2 July 1987 |
| Birth Place: | Lagos, Nigeria |
| Height: | 1.74 m |
| Position: | Forward |
| Years1: | 2002–2005 |
| Clubs1: | Niger Tornadoes |
| Caps1: | 23 |
| Goals1: | 13 |
| Years2: | 2006–2008 |
| Clubs2: | Phnom Penh Crown |
| Caps2: | 42 |
| Goals2: | 39 |
| Years3: | 2008–2012 |
| Clubs3: | Bangkok Glass |
| Caps3: | 94 |
| Goals3: | 30 |
| Years4: | 2013–2014 |
| Clubs4: | Chonburi |
| Caps4: | 19 |
| Goals4: | 3 |
| Years5: | 2014–2015 |
| Clubs5: | Samut Songkhram |
| Caps5: | 24 |
| Goals5: | 6 |
| Years6: | 2015–2016 |
| Clubs6: | Boeung Ket |
| Caps6: | 38 |
| Goals6: | 14 |
| Years7: | 2017 |
| Clubs7: | Asia Euro United |
| Caps7: | 9 |
| Goals7: | 4 |
| Years8: | 2017–2019 |
| Clubs8: | Boeung Ket |
| Years9: | 2020–2022 |
| Clubs9: | Asia Euro United |
| Caps9: | 23 |
| Goals9: | 7 |
| Years10: | 2023 |
| Clubs10: | Koh Kong |
| Club-Update: | 28 June 2008 |
Samuel Gbenga Ajayi (born 2 July 1987)[1] is a former Nigerian professional footballer who last played as a forward for Koh Kong in the Cambodian League 2.
Ajayi was born in Lagos. He previously played for Cambodian team Phnom Penh Empire where he was noticed by the 'Bankers' playing in the Singapore Cup.[2]