The Syr Darya electoral district (Russian: Сыр-Дарьинский избирательный округ) was a constituency created for the 1917 Russian Constituent Assembly election.

The electoral district covered the Syr-Darya Oblast, except for the Amu Darya Division.

[4] In the autumn of 1917, a meeting of the Muslim National Committee and the Musavat Party had decided to field Alimardan Topchubashov as their candidate in Amu Darya.

[5] Alash Orda did not field a separate list in Syr-Darya, but joined with other Muslim forces for the election.

[6] Voting in Syr-Darya was postponed until mid-Dec 1917, then to January 19, 1918.