The Srinagarindra Road (Thai: ถนนศรีนครินทร์, RTGS: Thanon Si Nakharin, pronounced [tʰā.nǒn sǐː ná(ʔ).kʰā.rīn]) is a road named to honour the Princess Mother, Srinagarindra (the mother of King Bhumibol Adulyadej, the Great) during The Princess Mother's 7th Cycle Birthday Anniversary, 21 October 1984. It connects Bang Kapi District to Mueang Samut Prakan District. It has the route number 3344 as Thailand Highway Route 3344. The entire length from Bang Kapi to Mueang Samut Prakan is 20.181 kilometres (12.540 mi).

13°40′50.47″N 100°37′42.2″E / 13.6806861°N 100.628389°E / 13.6806861; 100.628389