Surname His Highness (His Highness, ทรงทับ 
, ทรงชุ่มสาย) , in the world, is a very rare family name. The cognomen His Highness is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ทรงทับ | Thailand |
Altesa, Altesse, Alteza, Highness, Hoheit, Hoogheid, Sua Altezza, Yang Mulia, Your Highness, Điện Hạ, سمو, صاحب السمو, صاحبة السمو, ทรงกำพล, ทรงฉาย, ทรงชน, ทรงชุ่ม, ทรงทวี, ทรงบัณฑิตย์, ทรงผาสุข, ทรงสนาน, ทรงเชื้อ, and 殿下