An elder can refer to various topics:

• Elder (administrative title)
• Elder (religious)
• Elderberry plant (Sambucus)
• Box-elder plant (maple)
• Box elder bug (Leptocoris trivittatus or Boisea trivittatus)
• Elderly person - see: Old age
• William Henry Elder bishop and Archbishop of Cincinnati
• Elder High School
• Elder (charmed) Class of enlightened whitelighters overseeing good magic in the Charmed tv series