Bilateral facial palsy is a facial paralysis affects the both sides of the face due to the affection of the 7^th facial nerve, it is a rare condition, it has an incidence of 0.3% to 2% of all cases of facial palsy, and with unknown etiology; it may be following traumatic, neoplastic, neurologic, infective or metabolic causes. We present here a case of a female patient developed a bilateral facial palsy after one week following the administration of an influenza vaccine via intramuscular injection. An influenza vaccine is safe and widely used to prevent the seasonal influenza virus infection, the side effects of influenza vaccination are common as soreness at the site of vaccination site, fever, malaise and myalgia. It is rare to appear a neurological complication after influenza vaccination, but some cases as bilateral facial palsy reported after administration an influenza vaccine.