Radzim may refer to the following places in Poland:
- Radzim, a former fortress near Starczanowo, Poznań County (west-central Poland)
- Radzim, Kuyavian-Pomeranian Voivodeship (north-central Poland)
- Radzim, West Pomeranian Voivodeship (north-west Poland)
Or to Radim Gaudentius, the first Archbishop of Gniezno.