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