Aethes decimana is a species of moth of the family Tortricidae. It was described by Michael Denis and Ignaz Schiffermüller in 1775.
This species can be found in Spain, France, Germany, Italy, Austria, Switzerland, Slovakia, Slovenia, Poland, Romania and Ukraine.
This species prefers steep, cool-moist shady mountain forests at .
Aethes decimana has a wingspan of . Adults are on wing from July to August.