Seiden

Seiden may refer to:


 * the main hall of a Japanese castle
 * the RG Veda manga

People with the surname

 * Esther Seiden (1908–2014), Polish-Israeli-American mathematical statistician
 * Frank Seiden (c.1861-1931), American Yiddish singer and magician
 * Joseph Seiden (1892–1974), director, producer of Yiddish films
 * Lewis Seiden (1934–2007), American pharmacologist
 * Rudolph A. Seiden (1900–1965), Austrian-American chemist
 * Celada-Seiden model
 * Al Seiden, American basketball player