| Acronym | Definition |
|---|
| XLR➣X-Series Luxury Roadster |
| XLR➣Extra Long Run |
| XLR➣X-Linked Recessive (genetics) |
| XLR➣X-linked lymphocyte regulated |
| XLR➣Accelar (Nortel/Bay network switch) |
| XLR➣Ground Left Right (digital audio) |
| XLR➣Extra-Large Robot (cartoon) |
| XLR➣Extra Long Run (audio connector) |
| XLR➣Extra Low Resistance |
| XLR➣Extreme Luxury Roadster (Cadillac) |
| XLR➣External Line Return (Audio Connection and Cable Type) |
| XLR➣Cannon X Series, Latch, Rubber (Audio cable connector) |
| XLR➣X Latching Resilient Rubber Compound (connector type) |