Haloid may refer to:

• The Haloid Photographic Company, now known as Xerox Corporation
• Haloid, an animation by Monty Oum published on GameTrailers in 2007

• Memory of the World Register - Latin America and the Caribbean
• Memory of the World Register – Africa
• Memory of the World Register – Arab States
• Memory of the World Register – Asia and the Pacific
• Memory of the World Register – Europe and North America
• Memory of the World Register – International Organizations
• Memory of the World Register – Latin America and the Caribbean
• Memory of Water (film)
• Memory organization
• Memory Parity
• Memory parity
• Memory pensive
• Memory plastic
• Memory pools
• Memory (Poul Anderson)
• Memory Prime
• Memory problem
• Memory problems
• Memory Project
• Memory protexion
• Memory rank
• Memory recall
• Memory reconsolidation
• Memory Records
• Memory resistor