Boy may refer to:

• Boy (Confidence Man), Jessica and David's son, who made Sawyer think twice about conning the family
• Indonesian boy, the first to spot the Oceanic Six
• Mysterious boy, an appearance on the Island
• Thai boy, selling sodas in Phuket
• Sawyer's nickname for Boone

Named boys:

• Aaron, Claire's son
• Ben, as a young boy in flashbacks
• Charlie as a young boy in flashbacks
• Eko as a young boy in flashbacks
• Jack as a young boy in flashbacks
• Julian Carlson, Juliet's nephew
• Karl, a young Other man who was locked up in the cages at the Hydra station
• Kid, from Locke's toy store flashback
• Liam as a young boy in flashbacks
• Mrs. Arlen's son, a young boy who was in the car crash in "Through the Looking Glass"
• Sawyer as a young boy in flashbacks
• Walt, whom Tom and Michael have called "the boy"
• Yemi as a young boy in flashbacks
• Zach, Emma's brother

Location:

• Bob's Big Boy, a restaurant used as filming location