Siddhartha (novel), a fictional book about the life of a man (not the Buddha) named Siddhartha, by Hermann Hesse

Siddharta (band), a Slovenian rock band

Siddharth Narayan, an Indian actor

Siddhartha (film), the 1972 film of the book, directed by Conrad Rooks

King Siddartha, father of Mahavira, an important figure in Jain history

Siddhartha or Siddharta is the birth name of the historical and religious figure Gautama Buddha, known as the Buddha. Siddhartha is made up of two Sanskrit language words, siddha (gotten) + artha (meaning). The two words together mean "One who has found meaning (of existence)". Siddhartha may also refer to:

Not to be confused with Sidarthur, the fictional rock band from the film Confessions of a Teenage Drama Queen or English novelist and playwright, Sid Arthur.