Efrain Rintaro da Silva (エフライン・リンタロウ・ダ・シルバ, Efurain Rintarou Da Shiruba), commonly known as Efrain Rintaro (エフライン・リンタロウ, Efurain Rintarou, born 23 July 1991) is a Brazilian footballer who plays as a forward for Shan United.
In the 2011 season, he transferred to J2 League club, FC Gifu on a temporary basis and made his first appearance in the J.
He scored two goals in the 2015 regional league finals, contributing to Aomori's victory and promotion to the JFL.
In 2018, Rintaro contributed to the club's promotion to the JFL with 3 goals, the most in the 2018 Japanese Regional Champions League.
On 11 December at same year, Rintaro has renewed contract with club and will continue to play for FC Osaka in the 2023 season.