District 8 includes Utah, Wyoming, Idaho, Colorado, New Mexico and Nevada.
The awards go with the honor Fredette received on Monday when he was named to the Mountain West Conference All-Conference first team.
Fredette's teammate, senior guard Jackson Emery, was also selected by the USBWA as a first-team All-District 8 player. Emery was a second-team All-MWC selection and was named to the conference's All-Defensive team.
Utah State's Jared Quayle and Weber State's Damian Lillard were also named to the first-team All-District 8. From the MWC, New Mexico's Darington Hobson and Roman Martinez, and UNLV's Tre'Von Willis were All-District 8 selections. From the Western Athletic Conference, Nevada's Luke Babbitt and New Mexico State's Jahman Young earned All-District 8 honors.