Mary Baldwin University holds membership in the following national honorary societies: Alpha Kappa Delta (sociology), Alpha Lambda Delta (freshmen), Alpha Phi Sigma (criminal justice), Alpha Sigma Lambda (adult students), Beta Beta Beta (biology), Iota Sigma Pi (chemistry), Kappa Delta Pi (education), Lambda Pi Eta (communication), Omicron Delta Epsilon (economics), Omicron Delta Kappa (leadership), Phi Alpha (social work), Phi Alpha Theta (history), Phi Beta Kappa (the nation's oldest and most respected society honoring the liberal arts; membership is held through the Lambda of Virginia Chapter), Pi Alpha (physician assistant), Pi Sigma Alpha (political science), Pi Theta Epsilon (occupational therapy), Psi Chi (psychology), Sigma Beta Delta (business, management, and administration), Sigma Pi Sigma (physics), Sigma Tau Delta (English), Alpha Mu Gamma (foreign language), and Upsilon Phi Delta (healthcare administration)