Nigella may refer to:
People
Nigella Lawson, English food writer Nigella Saunders, Jamaican badminton player
Plants
Nigella, a genus of about 14 species of annual plants in the family Ranunculaceae, particularly Nigella sativa, the seeds of which are used as a culinary spice Nigella damascena, (Love-in-a-mist), grown in gardens as an ornamental plant