| Marić, Marko | Rapid Wien (AUT) / Croatia U17 |  Croatia | Goalkeeper |
| Marica, Ciprian | Schalke (GER) / Romania |  Romania | Forward |
| Marien, Pieter | Belgium U17 |  Belgium | Defender |
| Marilungo, Guido | Atalanta (ITA) |  Italy | Forward |
| Marin, Nicolas | Xanthi (GRE) |  France | Forward |
| Marin, Marko | Chelsea (ENG) |  Germany | Midfield |
| Marin, Alberto | Luparense (ITA) | Italy | Defender |
| Marin, Răzvan | Romania U17 | Romania | Midfield |
| Marin, Antonio | Spain U17 |  Spain | Defender |
| Marin, Lazar | Botev Plovdiv (BUL) / Bulgaria U19 |  Bulgaria | Defender |
| Marín, Carlos | Spain U17 | Spain | Goalkeeper |
| Marinakis, Nikos | Panathinaikos (GRE) |  Greece | Defender |
| Marinescu, Andrei | Braşov (ROU) | Romania | Goalkeeper |
| Marinescu, Laurenţiu | Petrolul (ROU) | Romania | Midfield |
| Marinho | Benfica (POR) / Portugal FUT |  Portugal | Forward |
| Marinho | Académica (POR) | Portugal | Forward |
| Marinina, Daria | Belarus WU17 |  Belarus | Defender |
| Marinković, Ana | Mašinac (SRB) / Serbia WOCO |  Serbia | Goalkeeper |
| Mariño, Diego | Villarreal (ESP) / Spain U21 | Spain | Goalkeeper |
| Marinos, Stergos | Panathinaikos (GRE) | Greece | Defender |
| Marinović, Dario | MNK Split (CRO) / Croatia FUT | Croatia | Forward |
| Marinucci, Maurane | Standard (BEL) | Belgium | Defender |
| Mario | Betis (ESP) | Spain | Defender |
| Mario | Estoril (POR) |  Brazil | Goalkeeper |
| Mário Felgueiras | CFR Cluj (ROU) | Portugal | Goalkeeper |
| Mário Fernandes | CSKA Moskva (RUS) | Brazil | Defender |
| Mário Rui | Gubbio (ITA) / Portugal U21 | Portugal | Defender |
| Mario Suárez | Atlético (ESP) | Spain | Midfield |
| Mariotti, Luca | La Fiorita (SMR) / San Marino FUT |  San Marino | Forward |
| Maripuu, Niklas | AIK (SWE) |  Sweden | Forward |
| Maritz, Noelle | Zürich (SUI) / Switzerland WU19 |  Switzerland | Defender |
| Marjanovič, Damjan | Slovenia U17 |  Slovenia | Defender |
| Markel | Real Sociedad (ESP) | Spain | Midfield |
| Markić, Toni | Zrinjski (BIH) / Bosnia and Herzegovina U21 |  Bosnia and Herzegovina | Defender |
| Markiet, Gevero | Utrecht (NED) |  Netherlands | Defender |
| Markkula, Niko | Finland U21 |  Finland | Midfield |
| Markoski, Bojan | Apollon (CYP) / FYROM |  FYROM | Defender |
| Markoski, Jovan | Vorskla (UKR) | Serbia | Midfield |
| Markou, Eleni | PAOK (GRE) / Greece WU19 | Greece | Forward |
| Markov, Nikolai | Krasnodar (RUS) |  Russia | Defender |
| Markov, Martin | Bulgaria FUT | Bulgaria | Forward |
| Marková, Patrícia | Slovakia WU19 |  Slovakia | Forward |
| Marković, Olivera | Serbia WOCO | Serbia | Forward |
| Marković, Saša | Serbia U21 | Serbia | Midfield |
| Marković, Lazar | Serbia U21 / Serbia | Serbia | Midfield |
| Marković, Žarko | Gaz Metan (ROU) | Serbia | |
| Marković, Mirjana | Bosnia and Herzegovina WU19 | Bosnia and Herzegovina | Goalkeeper |
| Marković, Omar | Bosnia and Herzegovina U19 | Bosnia and Herzegovina | Midfield |
| Markovska, Aleksandra | FYROM WU17 | FYROM | Forward |
| Markozashvili, Teimuraz | Georgia U19 |  Georgia | Forward |
