| Settlement Type: | Municipality |
| Pushpin Map: | Croatia Krapina-Zagorje County#Croatia |
| Coordinates: | 46.1664°N 15.9236°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | County |
| Subdivision Name1: | Krapina-Zagorje County |
| Leader Title: | Municipal Mayor |
| Leader Name: | Anđelko Topolovec |
| Area Footnotes: | [1] |
| Area Total Km2: | 33.1 |
| Area Urban Km2: | 13.0 |
| Population As Of: | 2021 |
| Population Total: | 2981 |
| Population Density Km2: | auto |
| Population Urban: | 1131 |
| Population Density Urban Km2: | auto |
Radoboj is a village and municipality in Krapina-Zagorje County in Croatia. In the 2011 census, the total population was 3,387, in the following settlements:
In the 2011 census, 99.0% of the population were Croats.
Radoboj is particularly famous as a major fossil site. During the 19th Century a large number of fossils from the Miocene were excavated here. Especially notable are the well preserved insects fossils which were described by the Swiss palaeontologist Oswald Heer. Most of this type material is currently in Landesmuseum Joanneum, Graz, there is also considerable material from Radoboj in the Natural History Museum in Zagreb.
Football club NK Radoboj in the 4th League.