Ludendorf
[Image:Lage der Gemeinde Swisttal in Deutschland.png|thumb|140px|Location of Swisttal in Germany.]
Ludendorf is a village in the municipality Swisttal in the North Rhine-Westphalian Rhein-Sieg district. It is situated approximately 18 km southwest of Bonn. On January 11, 2024 the village had a population of 525.
The city hall of the municipality Swisttal is located between Ludendorf and the neighboring village Swisttal-Essig.