Silphium (disambiguation)

Silphium is an unidentified plant recorded in classical antiquity, believed extinct.

Silphium or Silphion can also refer to:


 * Silphium (genus) of North American daisies in the family Asteraceae known as "rosinweeds"
 * Silphion (insect), an extinct protorthopteran insect genus in the family Anthracothremmidae