Sandhikharka (Nepali: सन्धिखर्क नगरपालिका) is a municipality in Nepal. It is the headquarters of Arghakhanchi District, in the Lumbini Zone of Nepal. On 18 May 2014, it was converted into a municipality by merging Sandhikharka, Bangla, Narapani, Khanchikot, Kimadada, Argha and Dibharna VDCs.