Ther may refer to:
Thér., taxonomic author abbreviation of Irénée Thériot (1859–1947), French bryologist Agroha Mound, archaeological site in Agroha, Hisar district, India
Therapy Therapeutic drugs
See also Ther Thiruvizha, 1968 Indian Tamil-language drama film Ther-Rx Company, subsidiary of KV Pharmaceutical