Gravis

Gravis may refer to:


 * Advanced Gravis Computer Technology, manufacturer of computer peripherals, soundcards and joysticks
 * Dynamic Sport Gravis, a Polish paraglider design
 * Gravis (Ninjago), a character in Ninjago
 * Gravis, an alien in the Doctor Who story Frontios
 * Myasthenia gravis, a long-term neuromuscular disease