Rinkenæs (German: Rinkenis) is a small town in Sønderborg Municipality, Region of Southern Denmark in Denmark.

[1] Rinkenæs is situated just north of Flensborg Fjord (Flensburg Firth) 4 km southwest of Gråsten.

Kirke (Rinkenæs Old Church) is located at the top of a hill 4 km north of the town.

It is one of the oldest churches in Denmark, built in 1158 in the Romanesque/Norman style.

[2] Rinkenæs Korskirke (Rinkenæs Crosschurch), built 1928-32 in the style of a traditional Danish village church, is located in the town.