Indonesia–Singapore relations

Indonesia and Singapore established diplomatic relations on 7 September 1967, a month after the formation of the Association of Southeast Asian Nations (ASEAN) on 8 August 1967. Indonesia and Singapore are two of the five founding members of ASEAN (including Malaysia, Thailand, Philippines). Both nations are also members of the Non-Aligned Movement and APEC.

Over the years, Indonesia and Singapore have maintained regular exchanges of high-level visits, underpinned by strong economic cooperation across a wide range of sectors, including health, defence and the environment. In the past decade, Singapore has consistently been Indonesia's top foreign investor.

2017 marked the 50th anniversary of their diplomatic relations in a celebration event known as RISING50, an amalgamation of “RI” for the Republic of Indonesia and “SING” for Singapore.