Sein Hlaing (Burmese: စိန်လှိုင်, pronounced [sèiɰ̃ l̥àiɰ̃]; 10 November 1918 – 7 May 2010) was a Burmese football player and coach, regarded as being the most successful coach in the history of the national team. Sein Hlaing was awarded FIFA Order of Merit in 2004 in recognition of his achievements as a coach.