The National Development Party, or Chart Pattana Party (Thai: พรรคชาติพัฒนา, RTGS: Phak Chat Pattana) was a Thai political party that existed from 1992 until its merger into Thai Rak Thai Party in 2005. After the dissolution of the Thai Rak Thai Party in 2007, the National Development group merged into the Ruam Jai Thai Chart Pattana Party.