The causes of periorbital ecchymosis are traumatic and non-traumatic head and neck insults. This report deals with a non-traumatic bilateral spontaneous periorbital ecchymosis in pregnancy.The case studied was a 24-year-old woman in her eighth month of pregnancy who realized her spontaneous ecchymosis around both eyes which was more prominent in the right eye 12 hours after vomiting. She did not have any history of head and neck trauma or surgery. Her visual acuity, ophthalmic examination, blood pressure, and urine analysis were normal. Twenty days after the first evaluation, the ecchymosis completely recovered and the patient was well completely after six months. Although, there are systemic and local causes in the etiology of periorbital ecchymosis, spontaneous occurrence of the condition in a pregnant woman not having preeclampsia is unknown.