The student's father told police he was shocked to discover his only child hanging from a rope in her bedroom at 2pm on Sunday. He was later taken into police custody.
The Eastern Region Police received a call from a police officer saying the woman's body was brought to a hospital by her father, a police official told Gulf News.
"Police said the dead woman was brought to hospital with traces showing a rope had been tied around her neck," the official said.
The woman was studying at a Fujairah college, police said.