Małgorzata Hołub-Kowalik (Polish pronunciation: [mawɡɔˈʐata ˈxɔwup kɔˈvalik]; born 30 October 1992) is a retired Polish sprinter who specialised in the 400 metres.

[4] She won two medals at the 2020 Summer Olympics, gold with Polish mixed 4 × 400 metres relay team and silver as a member of women's 4 × 400 metres relay team.

[5][6] Hołub-Kowalik represented her country at five outdoor and four indoor World Championships winning multiple medals in the 4 × 400 metres relay.

Her personal bests in the event are 51.18 seconds outdoors (Lublin 2018) and 52.57 seconds indoors (Toruń 2018).