Nigra

Nigra may refer to:

Geography

 * Castelnuovo Nigra, a comune (municipality) in the Province of Turin in the Italian region Piedmont
 * Porta Nigra, a large Roman city gate in Trier, Germany
 * Rupes Nigra, a phantom island, was believed to be a 33-mile-wide magnetic island of black rock located at the Magnetic North Pole

Medicine

 * Dermatosis papulosa nigra, a condition of many small, benign skin lesions on that face that closely simulate seborrheic keratoses, a condition generally presenting on dark-skinned individuals
 * Linea nigra, a dark vertical line that appears on the abdomen during pregnancy
 * Substantia nigra, a portion of the brain associated with dopamine production
 * Tinea nigra, a superficial fungal infection that causes dark brown to black painless patches on the soles of the hands and feet

People

 * Christina Nigra, an actress who performed in The Sword and the Sorcerer, Twilight Zone: The Movie, and Cloak & Dagger
 * Costantino Nigra, an Italian diplomatist

Other uses

 * Patriotic Nigras, a group of griefers in the virtual world Second Life
 * By extension, a suit-wearing Afro-styled avatar used by the group for raids in Habbo Hotel
 * A variant spelling of "Negro"