Tenala (Finnish: Tenhola) is a former municipality in Uusimaa, Finland.

It was neighboured by Hanko, Kisko, Perniö, Pohja, Särkisalo and Ekenäs.

The bell tower of the church was renovated in 1762.

In 1988, Tenala had 2991 inhabitants living in an area of 443.6 km2 and 86.96% of the inhabitants spoke Swedish as their native language.

In 2009, Tenala became a part of the newly established city of Raseborg.