KOYT may refer to:

• KOYT-LP, a low-power radio station (97.1 FM) licensed to serve Anza, California, United States
• KHGC, a radio station (98.5 FM) licensed to serve Montana City, Montana, United States, which held the call sign KOYT from 2011 to 2014

• Stultutragus cerdai
• Stultutragus crotonaphilus
• Stultutragus endoluteus
• Stultutragus fenestratus
• Stultutragus linsleyi
• Stultutragus maytaybaphilus
• Stultutragus nigricornis
• Stultutragus poecilus
• Stultutragus xantho
• Stu MacGregor
• Stu Maddux
• Stumble (album)
• Stumbles (surname)
• Stumbling block (disambiguation)
• Stumbling block (monument)
• Stumbling block (philosophy)
• Stumbling blocks
• Stumbling Skyward
• Stumbo
• Stumbo the Giant
• Stumbras Kaunas
• Stumfilm
• Stumholmen
• Stumke
• Stumme