Gelting was an Amt ("collective municipality") in the district of Schleswig-Flensburg, in Schleswig-Holstein, Germany. The seat of the Amt was in Gelting. In January 2008, it was merged with the Amt Steinbergkirche to form the Amt Geltinger Bucht.

The Amt Gelting consisted of the following municipalities:

1. Gelting
2. Hasselberg
3. Kronsgaard
4. Maasholm
5. Nieby
6. Pommerby
7. Rabel
8. Rabenholz
9. Stangheck
10. Stoltebüll

54°45′00″N 9°54′00″E / 54.750°N 9.900°E / 54.750; 9.900