Putri Indonesia 2018, the 22nd Puteri Indonesia pageant, was held on March 9, 2018 at Jakarta Convention Center, Jakarta, Indonesia. Bunga Jelitha, Puteri Indonesia 2017 of Jakarta SCR 5, crowned her successor, Sonia Fergina Citra of Bangka Belitung, at the end of the event. She defeated 38 other candidates to win the title of Miss Universe Indonesia 2018 and represented Indonesia at Miss Universe 2018, where she placed as one of the Top 20 finalists.

Puteri Indonesia is a national beauty pageant in Indonesia. Puteri Indonesia is traditionally held in March, alongside the celebration of International Women's Day. The pageant annually sends its winner to represent the country at Miss International, one of the Big Four international beauty pageants. The pageant also sends representatives for Miss Supranational, Miss Charm, and Miss Cosmo pageants.