XLR

XLR may refer to:


 * XLR connector, an electrical connector commonly used in audio equipment
 * Cadillac XLR, a retractable hardtop convertible automobile
 * Megas XLR, an American animated television series
 * X-linked recessive inheritance
 * XLR-8, a roller coaster
 * XL programming language runtime
 * A321XLR, a variant of the Airbus A321neo airliner