San Marino in the Eurovision Song Contest

San Marino has been represented at the Eurovision Song Contest 15 times, debuting in the 2008 contest, followed by participation from 2011 onward. The Sammarinese participating broadcaster in the contest is San Marino RTV (SMRTV). San Marino did not participate in 2009 or 2010, with SMRTV citing financial difficulties as the reason for its withdrawal. Having failed to qualify in their first four attempts, the nation qualified for the contest's final for the first time in 2014. Valentina Monetta represented San Marino in 2012, 2013, and 2014, making her the first entrant to participate in three consecutive contests since the 1960s. She also represented San Marino in 2017. In 2019, Serhat managed to qualify to the final, marking the second appearance of the country in a Eurovision final and achieving their best result to date of 19th place. Following the 2020 contest's cancellation due to the COVID-19 pandemic in Europe, their 2020 candidate Senhit was again selected to represent San Marino in the following contest. She qualified to the final, making it the first time that San Marino made it to two consecutive finals. In 2025, Gabry Ponte qualified San Marino for its fourth final.

SMRTV has largely chosen to select its entrant internally, though on six occasions it used national finals: 1in360 for 2018, Digital Battle for 2020, and Una voce per San Marino since 2022. Unlike other participating countries, San Marino does not organise a televote due to its use of Italy's phone network, and because the small number of potential televoters would not meet the minimum voting threshold set by the European Broadcasting Union (EBU).