This is a proposal to encode the Chorasmian script in the international character encoding standard Unicode. The script was published in Unicode Standard version 13.0 in 2020. The script was used to write the Chorasmian language from 2c BCE until 8-9c CE in the area of the Oxus river delta, located in present-day Uzbekistan, Kazakhstan, and Turkmenistan. Chorasmian is an extinct Eastern Iranian language. The ISO 15924 code for Chorasmian is Chrs.