Pentad

Pentad may refer to:

• the number five, 5 (number)
• a series of five years (Aristotle 1857: the decade is composed ... of two pentads), like the lustrum
• 72 pentads (七十二候) in East Asia calendars, the solar term
• Kenneth Burke's method of analyzing motivation, the dramatistic pentad
• Pentachord, a five note chord