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 Mu, Athing OG |  USA | 2002 |
| CM Mu, Cathy |  PYF | 1964 |
| NM Mua, Nguyen Van |  VIE | 1986 |
| GM Muamba, Grace |  SUI | 1991 |
| KM Mu'Amoholeva, Kiana |  TGA | 1993 |
| BM Muange Musau, Brian |  KEN | 2006 |
| LM Muangi, Lucia Kamene | KEN | 1992 |
| TM Muangjan, Thitima |  THA | 1983 |
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| TM Mubako, Takawira | ZIM | – |
 Mubarak, Ahmad Ishtiaq |  MAS | 1948–2013 |
 Mubarak, Bilal Saad Shot put |  QAT | 1972–2018 |
| FM Mubarak, Fatima |  BRN | 1999 |
| KM Mubarak, Khassif | QAT | 1977 |
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| MM Mubarak, Muna | BRN | 2000 |
| SM Mubarak, Saeed | KSA | 2001 |
| WM Mubarak, Wafa |  EGY | – |
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| TM Mubariki (2004), Takunda | ZIM | – |
| CM Mucci, Celeste |  AUS | 1999 |
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| BM Mucheru, Boniface | KEN | 1992 |
| HM Muchichwa, Heath Takudzwa | ZIM | – |
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| EM Muço, Edison |  ALB | 1992 |
| BM Mucret, Bryan |  FRA | 2002 |
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| AM Mudafort, Angel |  PUR | – |
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| MM Mudenda, Mabambe | ZIM | – |
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| SM Mudrov, Sergey | RUS | 1990 |
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| UM Mudugamuwa Hewage, Uththara | SRI | 2004 |
| SM Muduli, Sihle | ZIM | – |
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| MM Mudyiravanji, Mary Joy | ZIM | 1997 |
| DM Mudyirwa (1976), Dafros | ZIM | – |
| BM Mudzudzu, Blessing | ZIM | – |
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| MM Mueller, Melissa | USA | 1972 |
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 Muga, Meli |  PNG | – |
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| GM Mugi, Gordon | KEN | 1981 |
| RM Mugnosso, Riccardo |  ITA | 1997 |
| NM Mugo, Naomi XC · Long distances | KEN | 1977 |
| NM Mugomeri (1975), Nicholas | ZIM | – |
 Mugosa, Velisa |  JUG | 1931–1979 |
| BM Mugun (1962), Benson | KEN | – |
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| SM Mugwe, Sammy | KEN | – |
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