Daye is a city in Hubei, China.

Daye may also refer to:

• Daye dialect (大冶话), a dialect spoken in Daye
• Daye, era name of Emperor Yang of Sui during his reign (605–618)
• Daye Group, a geological formation
• Ye the Great or Daye (大业), a figure from Chinese mythology
• Daye, Cenxi (大业镇), a town in Guangxi, China
• Daye, Dengfeng (大冶镇), a town in Henan, China

• Austin Daye (born 1988), American professional basketball player
• Buddy Daye, Canadian boxer
• Darren Daye (born 1960), American professional basketball player
• Daryl Daye (born 1963), American football coach
• Gabrielle Daye (1911–2005), British television actress
• Irene Daye (1918–1971), American jazz singer
• Joseph Daye (born 1990), Australian rules footballer
• Pierre Daye (1892–1960), Belgian collaborationist
• Prince Daye (born 1978), Liberian international football striker
• Stephen Daye (c. 1594–1668), British North American printer

• Day language, a Mbum-Day language of southern Chad, also spelled Daye

• Day (disambiguation)