Cognomen ธัญญานิตย์ (Thanyanit 
, Tanyanit , ธัญญานิตย์ ) , all around the world, is a very rare last name. The last name ธัญญานิตย์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. More prevalently, ธัญญานิตย์ is the forename as well as the last name.