Simp is derogatory Internet slang for a man seen as displaying excessive sympathy or attention toward a woman online.

Simp or SIMP may also refer to:

• The Simp, a 1920 film from Educational Pictures
• The Simp, a 1921 film from REOL Productions

• Squirrels in My Pants, a song featured in 2007 animated series Phineas and Ferb
• The Simp, a 2007 album by Baby Teeth (band)
• The Simps, a band founded by Eyedress (Idris Ennolandy Vicuña)

• Solid Isotropic Material with Penalisation, a method of topology optimization
• Sondage Infrarouge de Mouvement Propre (SIMP; Proper Motion Infrared Survey), an all-sky survey and astronomical catalogue
• Strongly interacting massive particle, a hypothetical elementary particle
• Supplemental IRAS Minor Planet Survey (SIMPS), based on the IRAS survey

• Solitary Islands Marine Park, New South Wales
• Sri Indera Mahkota Pahang, an honor given by the Sultan of Pahang, Malaysia
• Simp., a non-standard abbreviation for 'simplified', as in "Simplified Chinese"
• The Stanford Improvisors (Simps), an academic group at Stanford University

• All pages with titles containing Simp
• EconSimp, a fisheries management model
• SIMP J013656.5+093347, a brown dwarf
• Simpleton
• Simpson (disambiguation)