San Marino in the Junior Eurovision Song Contest

San Marino has participated in the Junior Eurovision Song Contest three times since their debut in the contest. San Marino RTV (SMRTV), a member organization of the European Broadcasting Union, is responsible for San Marino's participation.

History
San Marino had previously attempted to participate in the contest in 2011 in Yerevan, Armenia; however, the national broadcaster withdrew before the contest as they had not found a representative in time. In 2013 and 2015, San Marino selected its entrant internally, while in 2014 it used "Vocine Nuove Castrocaro" as a selection.

San Marino made its debut in the contest in in Kyiv, Ukraine. According to Giovanni, the announcer of the Sammarinese points in 2013, San Marino used a jury.

In 2015, Michele Perniola, Sammarinese representative in 2013, and Anita Simoncini, a member of girlband The Peppermints who participated in 2014, were chosen together to perform in the Eurovision Song Contest 2015. San Marino announced that they would not return to the contest in, and has not participated since.