BYM
| Acronym | Definition |
|---|---|
| BYM | Back Yard Mechanic |
| BYM | Britain Yearly Meeting (Religious Society of Friends; UK) |
| BYM | Blow Your Mind |
| BYM | Between You and Me |
| BYM | Baltimore Yearly Meeting (of Friends) |
| BYM | Brightest Young Minds (est. 2000; South Africa) |
| BYM | Baptist Youth Ministries (various locations) |
| BYM | Before You Move |
| BYM | Backyard Monsters (Facebook game) |