Olyokminsky District (; ) is an administrative and municipal district (
raion, or
ulus), one of the
thirty-four in the
Sakha Republic,
Russia. It is located in the southwest of the republic and borders with Verkhnevilyuysky District in the north,
Gorny and
Khangalassky Districts in the northeast,
Aldansky District in the east,
Neryungrinsky District in the southeast,
Zabaykalsky Krai in the southwest,
Irkutsk Oblast and
Lensky District in the west, and with
Suntarsky District in the northwest. The area of the district is . Its
administrative center is the
town of
Olyokminsk. Population: 27,563 (
2002 Census); The population of Olyokminsk accounts for 35.4% of the district's total population.