Abstract: The safety barrier for aircraft seats is configured for use with a commercial aircraft. The commercial aircraft further comprises one or more seats. Each individual seat selected from the one or more seats further comprises an armrest. The individual seat is configured for use with by a client. The client sits in the individual seat. The safety barrier for aircraft seats is configured for use with the armrest. The safety barrier for aircraft seats comprises a knee shield and elbow parapet. The knee shield attaches to the armrest. The elbow parapet attaches to the armrest. The knee shield is a rotating barrier. The knee shield forms a barrier that prevents a knee of the client from entering the aisle of the commercial aircraft. The elbow parapet is a stationary barrier. The elbow parapet prevents the elbow of the client from entering the aisle of the commercial aircraft.