Liste over fylker i Utah. Den amerikanske delstaten Utah består av 29 fylker (counties):^[1]

• Beaver County
• Box Elder County
• Cache County
• Carbon County
• Daggett County
• Davis County
• Duchesne County
• Emery County
• Garfield County
• Grand County
• Iron County
• Juab County
• Kane County
• Millard County
• Morgan County
• Piute County
• Rich County
• Salt Lake County
• San Juan County
• Sanpete County
• Sevier County
• Summit County
• Tooele County
• Uintah County
• Utah County
• Wasatch County
• Washington County
• Wayne County
• Weber County