In computing, PC Card is the form factor of a peripheral interface designed for laptop computers. Originally known as PCMCIA Card, short for Personal Computer Memory Card International Association, the PC Card standard as well as its successor ExpressCard) was defined and developed by the Personal Computer Memory Card International Association (PCMCIA), which itself was created by a number of computer industry companies in 1986 by Jacob D. Holm. It was originally designed as a standard for memory-expansion cards to compete with the JEIDA memory card standard developed in Japan. In 1991 the two standards merged as JEIDA 4.1 or PCMCIA 2.0 (PC Card).

Die 1990 gegründete Personal Computer Memory Card International Association (PCMCIA) ist Namensgeber eines Standards für Erweiterungskarten mobiler Computer. Diese Karten sind unter den Namen PCMCIA-Karte oder PC-Card bekannt.

PCMCIA (pour Personal Computer Memory Card International Association), ou PC Card, est un format de carte d'extension ultra-plat, dédié aux ordinateurs portables et à d'autres périphériques (comme les Livebox, Freebox, Neuf Box...).

PCMCIA står för Personal Computer Memory Card International Association, en organisation som sätter standarder för enheter som till exempel modem och externa hårddiskar som kan användas för laptops. Organisationen är mest känd för standarden som tidigare gick under benämningen PCMCIA Card men som 1995 bytte namn till PC Card.

PCMCIA (ang. Personal Computer Memory Card International Association) to międzynarodowe stowarzyszenie producentów kart pamięci dla komputerów osobistych. Celem organizacji jest wprowadzenie i rozwijanie międzynarodowego standardu kart rozszerzeń dla komputerów przenośnych.