Alpha Sigma Lambda (ΑΣΛ) is an American honor society for non-traditional students in colleges and universities.

Dr. Rollin Posey established Alpha Sigma Lamba at Northwestern University in 1942, to recognize the accomplishments of those returning to academic pursuits after the close of World War II.

[1] Its purpose, he wrote, "is to bind together in one Society the excellent students within the University College to provide a stimulus for and recognition of their worthy efforts."

[3] Gold symbolizes good health, optimism, prosperity, success, wisdom,[3] Its publication is the Midnight Oil Newsletter.

[4] Member is open to non-traditional students, typically adults also engaged in professional careers, who achieve and maintain outstanding scholastic and leadership characteristics while trying to obtain their first associate or baccalaureate degree at an accredited college or university.