Kriengsak

Kriengsak or Kriangsak (เกรียงศักดิ์) is a Thai given name. Notable people with the name include:


 * Kriangsak Chamanan (1917–2003), prime minister of Thailand from 1977 to 1980
 * Kriengsak Chareonwongsak, Thai scholar and politician
 * Kriengsak Kovitvanit (born 1949), Archbishop of Bangkok
 * Kriengsak Nukulsompratana (born 1948), Thai footballer
 * Kriengsak Varavudhi (born 1948), Thai cyclist
 * Kriengsak Vimolsate (born 1942), Thai footballer