The 1993 Narva and Sillamäe autonomy referendum was an unconstitutional referendum held on 16–17 July 1993 in Narva and Sillamäe in north-east Estonia, on whether to seek autonomy within the country.

Narva is a city in north-east Estonia, with strong historical and ethnic ties to Russia.

[1] In 1993, ethnic Russians comprised about one third of Estonia's population of 1.6 million people.

[2] Some Russian residents complained that planned Estonian laws would limit their political and civil rights.

[3] The Chancellor of Justice of Estonia declared the referendum unconstitutional.