Tonquin

Tonquin may refer to:

Ships

 * Tonquin (1807), an American merchant vessel destroyed on Vancouver Island in 1811
 * Tonquin (1845), a later American commercial vessel that sank in 1849 near San Francisco, CA
 * SS City of Paris (1865), a French steamship briefly named Tonquin that sank in 1885

Locations

 * Tonquin Valley, a valley located in Alberta
 * Tonquin Pass, a mountain pass in the Canadian Rockies
 * Tonquin, Oregon, an unincorporated locale of Oregon

Vietnam

 * Tonkin, the northern region of Vietnam
 * Tonquin War, an alternative name for the Sino-French War

Plants

 * Tonquin bean, a flowering pea tree native to Central and South America