Initiative 81 has been endorsed by: 

In the addition to the above candidates, the Washington City Paper reports that At-Large Councilmember candidates Claudia Barragan, Mario Cristaldo,  A’Shia Howard, Chander Jayaraman,  Alexander M. Padro, Mónica Palacio, Michangelo “Doctor Mic” Scruggs, and Ann C. Wilcox also support Initiative 81.