Greek-Letter Organizations

This subset of the General Acronym Listing is provided such that Greek-Letter organizations can be listed by their letters.

Active
ΑΓΔ	Alpha Gamma Delta
	other notes:	social fraternity for women
	Web address:	http://users.wpi.edu/~agd/
	WPIwiki:	http://www.wpiwiki.net/index.php/Alpha_Gamma_Delta

ΑΦΩ	Alpha Phi Omega
	in conversation:	APO
	other notes:	co-ed service fraternity
	Web address:	http://users.wpi.edu/~apo
	WPIwiki:	http://www.wpiwiki.net/index.php/Alpha_Phi_Omega

ΑΤΩ	Alpha Tau Omega
	in conversation:	ATO
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~atomega/
	WPIwiki:	http://www.wpiwiki.net/index.php/Alpha_Tau_Omega

ΑΞΔ	Alpha Xi Delta
	WPIwiki:	http://www.wpiwiki.net/index.php/Alpha_Xi_Delta

ΑΧΡ	Alpha Chi Rho
	in conversation:	Crow, 'a-row'
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~axp/
	WPIwiki:	http://www.wpiwiki.net/index.php/Alpha_Chi_Rho

ΑΨΩ	Alpha Psi Omega
	in conversation:	Alpha Psi
	other notes:	dramatic honor society, Rho Kappa Cast; at other universities the acronym would be APO, but AYO is used in deference to Alpha Phi Omega.
	Web address:	http://users.wpi.edu/~alphapsi/
	WPIwiki:	http://www.wpiwiki.net/index.php/Alpha_Psi_Omega

ΧΕ	Chi Epsilon
	other notes:	civil engineering honor society
	WPIwiki:	http://www.wpiwiki.net/index.php/Chi_Epsilon

ΕΥΠ	Epsilon Upsilon Pi
	in conversation:	'E-U-Pi'
	other notes:	management honor society
	WPIwiki:	http://www.wpiwiki.net/index.php/Epsilon_Upsilon_Pi

ΗΚΝ	Eta Kappa Nu
	other notes:	electrical engineering honor society
	Web address:	http://www.hkn.wpi.edu/
	WPIwiki:	http://www.wpiwiki.net/index.php/Eta_Kappa_Nu

ΛΧΑ	Lambda Chi Alpha
	in conversation:	Lambda Chi, LCA (not LXA at WPI)
	other notes:	social fraternity
	Web address:	http://www.pizeta.org/
	WPIwiki:	http://www.wpiwiki.net/index.php/Lambda_Chi_Alpha

ΜΣΔ	Mu Sigma Delta
	other notes:	Pre-Health Society
	WPIwiki:	http://www.wpiwiki.net/index.php/Mu_Sigma_Delta

ΩΛ	Omega Lambda
	other notes:	an informal organization of Orientation Leaders, not recognized by the university

ΘΧ	Theta Chi
	in conversation:	'ox'
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~thetachi/
	WPIwiki:	http://www.wpiwiki.net/index.php/Theta_Chi

ΠΔΕ	Pi Delta Epsilon
	other notes:	media honor society
	WPIwiki:	http://www.wpiwiki.net/index.php/Pi_Delta_Epsilon

Fiji	Phi Gamma Delta
	in conversation:	Fiji
	other notes:	Social fraternity. The letters phi, gamma, and delta aren't permitted to be spelt out. (i.e., ΣΑΕ or ΦΣΚ. Use of the letters is restricted to certain places including the chapter house and tombstones.
	Web address:	http://users.wpi.edu/~phigam/
	WPIwiki:	http://www.wpiwiki.net/index.php/Phi_Gamma_Delta

ΦΚΘ	Phi Kappa Theta
	in conversation:	'cap'
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~pkt/
	WPIwiki:	http://www.wpiwiki.net/index.php/Phi_Kappa_Theta

ΦΛΥ	Phi Lambda Upsilon
	other notes:	chemical engineering honor society
	WPIwiki:	http://www.wpiwiki.net/index.php/Phi_Lambda_Upsilon

ΠΜΕ	Pi Mu Epsilon
	other notes:	math honor society
	WPIwiki:	http://www.wpiwiki.net/index.php/Pi_Mu_Epsilon

ΦΣ	Phi Sigma
	other notes:	biology honor society
	WPIwiki:	http://www.wpiwiki.net/index.php/Phi_Sigma

ΦΣΚ	Phi Sigma Kappa
	in conversation:	PSK
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~psks/
	WPIwiki:	http://www.wpiwiki.net/index.php/Phi_Sigma_Kappa

ΦΣΣ	Phi Sigma Sigma
	in conversation:	Phi Sig or Phi Sig Sig
	other notes:	social fraternity for women
	Web address:	http://users.wpi.edu/~pss/
	WPIwiki:	http://www.wpiwiki.net/index.php/Phi_Sigma_Sigma

ΠΤΣ	Pi Tau Sigma
	other notes:	mechanical engineering honorary society
	WPIwiki:	http://www.wpiwiki.net/index.php/Pi_Tau_Sigma

ΣΑΕ	Sigma Alpha Epsilon
	in conversation:	SAE
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~sae/
	WPIwiki:	http://www.wpiwiki.net/index.php/Sigma_Alpha_Epsilon

ΨΦ	Science Fiction Society
	in conversation:	"sci-fi"
	other notes:	It's a joke. Psi Phi = SciFi... get it?
	Web address:	http://users.wpi.edu/~sfs/
	WPIwiki:	http://www.wpiwiki.net/index.php/Science_Fiction_Society

ΣΦΕ	Sigma Phi Epsilon
	in conversation:	Sig Ep
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~sigep/
	WPIwiki:	http://www.wpiwiki.net/index.php/Sigma_Phi_Epsilon

ΣΠ	Sigma Pi
	in conversation:	Sig Pi
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~sigmapi/
	WPIwiki:	http://www.wpiwiki.net/index.php/Sigma_Pi

ΣΠΣ	Sigma Pi Sigma
	other notes:	physics honor society
	WPIwiki:	http://www.wpiwiki.net/index.php/Sigma_Pi_Sigma

ΤΒΠ	Tau Beta Pi
	in conversation:	TB-Pi
	other notes:	engineering honor society
	Web address:	http://users.wpi.edu/~taubeta/
	WPIwiki:	http://www.wpiwiki.net/index.php/Tau_Beta_Pi

ΤΚΕ	Tau Kappa Epsilon
	in conversation:	'teek'
	other notes:	social fraternity
	Web address:	http://www.zetamu.org/
	WPIwiki:	http://www.wpiwiki.net/index.php/Tau_Kappa_Epsilon

ΥΠΕ	Upsilon Pi Epsilon
	other notes:	computer science honor society
	WPIwiki:	http://www.wpiwiki.net/index.php/Upsilon_Pi_Epsilon

ΖΨ	Zeta Psi
	in conversation:	'Zete,' rhymes with 'eight'
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~zetapsi/
	WPIwiki:	http://www.wpiwiki.net/index.php/Zeta_Psi

Inactive
ΑΕΠ	Alpha Epsilon Pi
	in conversation:	AE-Pi
	other notes:	social fraternity, inactive

ΔΦΕ	Delta Phi Epsilon
	in conversation:	'D-Phi-E'
	other notes:	social fraternity for women, inactive
	WPIwiki:	http://www.wpiwiki.net/index.php/Delta_Phi_Epsilon

ΔΣΤ	Delta Sigma Tau
	in conversation:	DST
	other notes:	social fraternity
	Web address:	http://users.wpi.edu/~axp/
	WPIwiki:	http://www.wpiwiki.net/index.php/Delta_Sigma_Tau
	replaced by:	AXP - Alpha Chi Rho

ΛΩ	Lambda Omega
	other notes:	An informal sorority, not recognized by the university. It is possible Lambda Omega still meets in secret.

ΠΩΠ	Pi Omega Pi
	other notes:	Founded in 1905. It became Theta Chi in 1909.
	replaced by:	OX - Theta Chi

ΣΔ	Sigma Delta
	replaced by:	TKE - Tau Kappa Epsilon

ΣΜΕ	Sigma Mu Epsilon
	other notes:	manufacturing engineering honor society