Last name ไชยณรงค์ (ไชยณรงค์ 
, Chaynarong , Chai Narong) , throughout the world, is quite a rare surname. The last name ไชยณรงค์ is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. Likewise, ไชยณรงค์ is the forename as well as the last name.