| Nikolas Mattheou | |
| Fullname: | Nicolas Mattheou |
| Birth Date: | 1998 5, df=yes |
| Birth Place: | Limassol, Cyprus |
| Currentclub: | Karmiotissa |
| Clubnumber: | 75 |
| Position: | Winger |
| Youthyears1: | 2013–2014 |
| Youthyears2: | 2014–2017 |
| Youthclubs1: | Apollon Limassol |
| Youthclubs2: | PAOK |
| Years1: | 2016–2019 |
| Clubs1: | PAOK |
| Caps1: | 0 |
| Goals1: | 0 |
| Years2: | 2017–2018 |
| Clubs2: | → Anorthosis (loan) |
| Caps2: | 9 |
| Goals2: | 0 |
| Years3: | 2018–2019 |
| Clubs3: | → Karaiskakis (loan) |
| Caps3: | 12 |
| Goals3: | 1 |
| Years4: | 2019–2020 |
| Caps4: | 0 |
| Goals4: | 0 |
| Years5: | 2019–2020 |
| Clubs5: | → Aris Limassol (loan) |
| Caps5: | 19 |
| Goals5: | 5 |
| Years6: | 2020–2021 |
| Clubs6: | Aris Limassol |
| Caps6: | 3 |
| Goals6: | 0 |
| Years7: | 2022–2023 |
| Clubs7: | Omonia 29M |
| Caps7: | 23 |
| Goals7: | 1 |
| Years8: | 2023– |
| Caps8: | 26 |
| Goals8: | 1 |
| Nationalyears1: | 2014 |
| Nationalyears2: | 2016 |
| Nationalyears3: | 2017–2019 |
| Nationalteam1: | Cyprus U17 |
| Nationalteam2: | Cyprus U19 |
| Nationalteam3: | Cyprus U21 |
| Nationalcaps1: | 3 |
| Nationalcaps2: | 10 |
| Nationalcaps3: | 9 |
| Nationalgoals1: | 1 |
| Nationalgoals2: | 3 |
| Nationalgoals3: | 0 |
| Club-Update: | 30 June 2024 |
Nikolas Mattheou (Greek, Modern (1453-);: Νικόλας Ματθαίου, born 7 May 1998 in Limassol) is a Cypriot professional footballer who plays as a winger for Karmiotissa.
Mattheou started from Apollon Limassol youth clubs, and he moved to PAOK youth clubs in 2014.[1] On 1 June 2016, Mattheou signed a three-year contract with PAOK. He was an used substitute at the 2016–17 Greek Football Cup final. On 23 June 2017, Mattheou was loaned to Anorthosis Famagusta.[2] On 30 September 2017 he made his debut in 1–1 draw, against AEK Larnaca. Mattheou replaced Giorgos Economides at the 88th minute, and made the assist to Demba Camara who tied the game at the 91st minute.[3]
On 22 July 2019, Mattheou returned to his childhood club Apollon Limassol FC on a three-year contract.[4] On 4 September, he was loaned out to Aris Limassol FC for the 2019-20 season.[5]