Arms are the upper limbs of the body.

ARMS may refer to:

• ARMs, a type of weapon in the Wild Arms video game franchise
• Amherst Regional Middle School
• Action for Research into Multiple Sclerosis, a concert performed by British rock performers in memory of Ronnie Lane
• Australian Relief & Mercy Services
• ARMS, a Japanese animation studio
• Project ARMS, a Japanese anime series.
• Amplification Refractory Mutation System, a allele-specific PCR

Arms may refer to:

• Armaments, weapons, as in small arms, right to arms
• Coat of arms
• Arms, or TRIN, a short-term stock trading index

See also Arm (disambiguation).