Isabel W. Koehler (born 1880; died 1977) was an American anthropologist specializing in the American Southwest and ethnobotany. Koehler wrote books that include:
1- The Jicarilla Apaches in 1936
2- San Pablo, a Papago village in Sonora in 1941
3- Tule Springs Paiute Indians, archaeology at the Tule Springs site, Nevada - edited in 1967