| Subdivision Type1: | Country |
| Subdivision Name1: | Finland |
| Source1: | Lake Ridasjärvi |
| Source1 Location: | Hyvinkää |
| Mouth: | Gulf of Finland |
| Mouth Location: | Vanhankaupunginselkä, Helsinki |
The Finnish: '''Keravanjoki''' (Swedish: Kervo å; the Kerava River) is a river in Finland. The 65-kilometer-long river starts from Lake Ridasjärvi in Hyvinkää.[1] The Keravanjoki is a tributary of the Vantaa River that flows into the Gulf of Finland at Helsinki.[2] As the name implies, the river runs through the town of Kerava.