阿岱

阿岱汗（蒙古语：.mw-parser-output .font-mong{font-family:"Menk Hawang Tig","Menk Qagan Tig","Menk Garqag Tig","Menk Har_a Tig","Menk Scnin Tig","Oyun Gurban Ulus Tig","Oyun Qagan Tig","Oyun Garqag Tig","Oyun Har_a Tig","Oyun Scnin Tig","Oyun Agula Tig","Mongolian Baiti","Mongolian Universal White","Noto Sans Mongolian","Mongol Usug","Mongolian White","MongolianScript","Code2000","Menksoft Qagan"}.mw-parser-output .font-mong-mnc,.mw-parser-output .font-mong:lang(mnc-Mong),.mw-parser-output .font-mong:lang(dta-Mong),.mw-parser-output .font-mong:lang(sjo-Mong){font-family:"Abkai Xanyan","Abkai Xanyan LA","Abkai Xanyan VT","Abkai Xanyan XX","Abkai Xanyan SC","Abkai Buleku","Daicing White","Mongolian Baiti","Mongolian Universal White","Noto Sans Mongolian"} ᠠᠳᠠᠶ，转写：Adai，西里尔字母：Адай；1390年－1438年），《明史》作阿台，鞑靼君主，第25代蒙古大汗，成吉思汗弟弟合撒儿的后裔，科尔沁部人，也有史料称阿岱汗是窝阔台后裔鬼力赤的儿子。1415年，阿鲁台袭击瓦剌，瓦剌拥立的可汗答里巴、太师马哈木先后战死。马哈木的儿子脱欢拥立斡亦剌歹为汗。斡亦剌歹是西蒙古的大汗，东蒙古在阿鲁台和他的大汗阿台手中。脱欢和斡亦剌歹联合明朝，打击阿鲁台和阿岱汗。1425年，西蒙古的斡亦剌歹死后，阿鲁台正式拥立阿台为大汗，阿鲁台自任太师。此后，东蒙古衰落，脱欢在1434年攻杀阿鲁台，阿岱汗东逃科尔沁，1438年，阿岱汗被脱欢俘杀，蒙古重新统一于瓦剌人手中。