Sympistis youngi is a moth of the family Noctuidae. It is found in North America.
| Sympistis youngi | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Superfamily: | Noctuoidea |
| Family: | Noctuidae |
| Genus: | Sympistis |
| Species: | S. youngi
|
| Binomial name | |
| Sympistis youngi McDunnough, 1922
| |
The wingspan is about 35 mm.