Actinoplanes utahensis is a species of bacteria and a source of the drug acarbose, an alpha-glucosidase inhibitor used in the treatment of diabetes mellitus.

A. utahensis are irregular in size and shape.

They form sporangia which are 5 to 18 micrometers in diameter, and contain spores arranged in irregular coils.

A. utahensis are motile by way of a number of flagella at one end.

[2] A. utahensis was originally identified by John Couch from soils collected from Salt Lake City's Liberty Park as well as along U.S. Route 40 in Nevada.