Surname ธัญญานี (Thanyani 
, Tanyanee , ธัญญานี ) , globally, is a rare last name. The cognomen ธัญญานี is habitual in South Africa, where it is a rare surname, the United States, where it is an extremely rare surname, and India. More prevalently, ธัญญานี is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thanyani | Thailand, India, United Kingdom, South Africa, United States |
| ธัญญานี, Tanyanee | Thailand |
| Thunyani | South Africa, India, United States, Thailand |
สีทา, หาญโรจนวุฒิ, ดีระพัฒน์, and คัมภีรานนท์