Family name มวกเหล็ก (Makwai 
, มวกเหล็ก , Muakkhrua ) , all over the world, is a rare surname. The family name มวกเหล็ก is characteristic of Tanzania, where it is a rare surname, Thailand, where it is a very rare surname, and South Africa. Very seldom, มวกเหล็ก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Makwai | Thailand, Tanzania, South Africa, Nigeria, China |
| Muakkhrua, Makkhakhet, มวกเหล็ก | Thailand |
Mahuakhao, Makburi, Makchuea, Makduangtien, Makhruea, Makkawam, Makpleek, Makraksa, Maksawas, Makvisai, Makwisai, Muadkliang, Muakchaiya, Muakchombok, Muakkhrong, Muakkhruea, Muakkhuea, Muakklan, Muakklang, Muakkrong, Muaklek, Muaklum, Muakphlai, Muakraet, Muaksamul, Muaksawai, Muaksawi, Muakseepan, Muakskun, and Muklai