The 25-year-old 'Stay' singer, who is currently rehearsing for her upcoming tour, secured legal protection against Steveland Barrow, who was arrested after breaking into her neighbour's home, reported TMZ online.
The singer feared for her safety after the male fan told police officers that he was invited to her home and allegedly slept in a bed, which he wrongly believed to be hers. He also stole some items from the house.
A judge granted her a temporary protection order, prohibiting Barrow from coming within 100 yards of Rihanna, her workplaces and her properties.
Rihanna previously had a restraining order against her on/off boyfriend Chris Brown after he beat her in 2009.
The couple reunited late last year.