Weld may refer to:

• Welding, a metalworking technique
• Weld (name), and persons with the name
• Port Weld, now Kuala Sepetang, Perak, Malaysia
• Weld, Maine, United States
• Weld County, Colorado, United States
• Weld (album), 1991, by Neil Young & Crazy Horse
• Weld (dye), an intense yellow dye made from Reseda luteola
• Weld (band) [no], Norwegian rock group
• The Weld, a mixed-use development in Raleigh, North Carolina

• WELD (disambiguation)
• Wield
• Wild (disambiguation)