- February 18 -
Democratic Republic of the Congo flag adopted.
- March 4 -
Bristol flag adopted.
- March 16 -
Aosta Valley flag adopted.
- May 9 -
Easter Island flag adopted.
- May 23 - Federal Territories of Malaysia flag adopted.
- June 9 - Kaliningrad Oblast flag adopted.
- June 20 - Ukrainian Ground Forces flag adopted.
- August 16 - Annandale flag adopted.
- October 4 - Lesotho flag adopted.
- Unknown - Islamic State flag adopted, Rockaway Beach flag adopted, Salt Lake City flag adopted.
