Akiachak (ACK-ee-uh-chuck; Central Yupik: Akiacuaq) is a census-designated place (CDP) in the Bethel Census Area in the U.S. state of Alaska.

[4] Akiachak is located on the west bank of the Kuskokwim River in the Yukon–Kuskokwim Delta, 18 miles (29 km) northeast of Bethel.

Akiachak is a Yup'ik Eskimo village with a fishing and subsistence lifestyle.

[6][7] Akiachak first appeared on the 1890 U.S. Census as the unincorporated native village of "Akiakchagmiut."

The racial makeup of the CDP was 3.42% White, 92.31% Native American, and 4.27% from two or more races.

The village would like to purchase an incinerator and use the waste heat for public buildings.

There is one school located in the community, attended by over 200 students each year and growing.

Akiachak Health Clinic is a Primary Health facility - they do not have authorization to prescribe drugs, give birth control, or handle much more than colds, small cuts, or routine strep throat treatment which is pervasive in the community.

The majority of year-round employment in Akiachak is in education and other public services.

The Yupiit School District, which serves both Akiachak and nearby Tuluksak, has its headquarters located in the community.

[15] Residents rely on seasonal employment such as commercial fishing, construction and BLM fire-fighting.

70 residents hold commercial fishing permits, and some work at canneries in Bristol Bay.

Boats, snowmachines and ATVs are used extensively by locals on the Kuskokwim River.