Siho Lanphouthacoul (1934 – September 1966) was a Laotian paramilitary police officer. He used his powers as the National Director of Coordination to build Laotian police forces into a national power. Appointed as Director prior to the August 1960 coup by Kong Le, Siho gathered and trained two special battalions of paramilitary police during the latter part of 1960. When his patron, General Phoumi Nosavan, seized power in December 1960, Siho's new battalions helped carry the day at the Battle of Vientiane. Acquiring the National Police from the Ministry of the Interior, and co-opting local military police, Siho consolidated the Lao police into the Directorate of National Coordination. Attaining a strength of 6,500 men, the DNC would be Siho's instrument for his short-lived 18 April 1964 co