| Birth Date: | 22 February 1905 |
| Birth Place: | Victoria, British Columbia, Canada |
| Death Place: | Hyattsville, Maryland |
| Employer: | Smithsonian Institution's National Museum of Natural History |
| Known For: | authority on moths, discoverer of Pseudomeritastis clarkei species of moth which bears his name |
| Credits: | , which produces label "Notable credit(s)"; or by |
| Works: | , which produces label "Works"; or by |
| Label Name: | , which produces label "Label(s)" --> |
| Office: | may be used as an alternative when the label is better rendered as "Office" (e.g. public office or appointments) --> |
| Spouse: | Thelma Miesen Clarke (died in 1988); Nancy duPre Clarke |
| Children: | J. F. Gates Clarke Jr., Carol Lewis |
John Frederick Gates Clarke (February 22, 1905 – September 17, 1990) was a Canadian-American entomologist and an authority on moths. He worked at the Smithsonian Institution's National Museum of Natural History.[1] [2] [3] [4] [5] [6]