"Summer in Siam" is a single by The Pogues from their 1990 album, Hell's Ditch. Composed by enigmatic frontman Shane MacGowan, it charted in the UK Top 100 at Number 64. The accompanying music video was directed by Don Letts and produced by Nick Verden for Radar Films. The album was produced by Joe Strummer.
"Summer in Siam" was originally played by MacGowan to the rest of the band on a Casio synthesizer. While the final arrangement was greatly modified from the original demo, it reflected MacGowan's growing interest in acid-house music. MacGowan claimed in 2022 that along with "Lorca's Novena" and "Hot Dogs With Everything," "Summer in Siam" is one of his favorite songs by The Pogues.