Vulcanism may refer to

• Volcanism or volcanic activity.
• Plutonism, a scientific theory of the Earth.

• Soon (Gershwin)
• Soong meiling
• Soong Meiling
• Soongsil University
• Soon Hee Newbold
• Soon Hing v. Crowley
• Soon Hong
• Soonhwa-Dong
• Soonhwa-dong
• Sooninkanxanne
• Sooniste
• Soon it's gonna rain
• Soon It's Gonna Rain
• Soon I Will Be Invincible (novel)
• Soon Ja Lee
• Soonjeong Manhwa
• Soon (LeAnn Rimes song)
• Soon Lee
• Soon Lee Bus Depot
• Soon Lee Depot
• Soonlepa
• Soon-ok Jung
• Soon-Ok Jung
• Soon Ok Lee
• Soon Sakesar