The Finnish national road 52 (Finnish: Kantatie 52; Swedish: Stamväg 52) is the 2nd class main route between the city of Raseborg and the municipality of Jokioinen in southwest part of Finland.

[1] It runs overall 111 kilometers from the Ekenäs town in Raseborg passing through the town centers of Salo and Somero to the Haapaniemi village and the national road 10 in Jokioinen.

[2] The road passes through the following localities: