Look up Siamese twin in Wiktionary, the free dictionary.
Siamese twins or conjoined twins are identical twins whose bodies are conjoined in utero.
Siamese twins may also refer to:
- Chang and Eng Bunker the "Siamese Twins", Siamese-American conjoined twin brothers from whom the term derives
- Irreversible binomial, a pair or group of words used together in fixed order, such as fish and chips or null and void
- NGC 4567 and NGC 4568, two galaxies nicknamed the Siamese twins
- "Siamese Twins", a song from The Cure's 1982 album Pornography
- A type of crossword puzzle with two grids and two clues for each entry displayed together in random order