The Greek system refers to the segment of the student community of Chico State who are members of fraternities and sororities. Many organizations have an official house, and the city has designated most of the South Campus Neighborhood as a Fraternity/Sorority Overlay Zone. Updated 8/17

• Interfraternity Council
  • Alpha Epsilon Pi - AEΠ (Colony)
  • Alpha Gamma Rho — ΑΓΡ
  • Alpha Sigma Phi - AΣΦ
  • Gamma Zeta Alpha — ΓΖΑ
  • Kappa Sigma— KΣ
  • Lambda Chi Alpha - LXA
  • Phi Kappa Tau — ΦΚΤ
  • Phi Delta Theta — ΦΔΘ
  • Sigma Nu — ΣΝ (Suspended)
  • Sigma Pi — ΣΠ
  • Sigma Chi — ΣΧ (Not in IFC)
  • Theta Chi — ΘΧ  (Not in IFC) http://www.etaomega.org/
  • Tau Kappa Epsilon - TΚE (Recolonization)
• Panhellenic Council
  • Alpha Delta Pi — ΑΔΠ
  • Alpha Gamma Delta — ΑΓΔ
  • Alpha Omicron Pi - AOΠ
  • Alpha Phi — ΑΦ
  • Gamma Phi Beta — ΓΦΒ
  • Sigma Kappa — ΣΚ
• Defunct Sororities
  • Pi Beta Phi — ΠΒΦ
  • Zeta Tau Alpha — ZTA
  • Beta Kappa - BK (Local)
  • Delta Zeta - DZ
• Ethnic Greek Council
  • Epsilon Sigma Rho — ΕΣΡ
  • Gamma Zeta Alpha — ΓΖΑ
  • Nu Alpha Kappa — ΝΑΚ
  • Delta Xi Phi — ΔΞΦ
  • Lambda Sigma Gamma — ΛΣΓ
  • Lambda Theta Nu — ΛΘΝ
  • Sigma Omega Phi — ΣΩΦ
  • Upsilon Kappa Delta — ΥΚΔ
• Local Greeks
  • Alpha Chi — ΑΧ
  • Delta Psi Delta — ΔΨΔ
  • Kappa Sigma Delta — ΚΣΔ
  • Tau Gamma Theta — ΤΓΘ
• Other Groups
  • Phi Beta Sigma — ΦΒΣ
  • Kappa Alpha Psi — ΚΑΨ
• Defunct Fraternities
  • Beta Theta Pi — ΒΘΠ
  • Delta Chi — ΔΧ
  • Delta Sigma Phi — ΔΣΦ after chapter pulled became Chi Tau — XT
  • Lambda Pi — ΛΠ (Local)
  • Zeta Beta Tau — ΖΒΤ
  • Omega Chi Lambda — ΩΧΛ
  • Omega Psi Phi — ΩΨΦ
  • Pi Kappa Alpha - ΠKA (-2017)
  • Sigma Phi Epsilon — ΣΦΕ (70's)

*Others

• Delta Sigma Theta — ΔΣΘ
• Lambda Theta Alpha — ΛΘΑ
• Sigma Alpha — ΣΑ
• Sigma Gamma Rho — ΣΓΡ
• Zeta Phi Beta — ΖΦΒ