R 109
R 109 or R-109 stands for:
- Reichsstrasse 109 , today Bundesstrasse 109
- R 109 , regulation for retreaded tires for trucks and their trailers, see ECE regulations #List of the regulations attached to the agreement of March 20, 1958
- R-109 , Soviet backpack radio
- R-109 Bris , Soviet missile speedboat, see info box in Tarantul class #Project 12411 (Tarantul III)