Dai-ichi

• 1st Air Fleet (Imperial Japanese Navy)
• 2011 Tōhoku earthquake and tsunami
• Dai (disambiguation)
• Dai Ichi Daihoumaru Ship case
• Dai-Ichi Kangyo Bank
• Dai-Ichi-dōri Station
• Dai-ichi (Go competition)
• Dai-ichi Life
• Daiichi Institute of Technology
• Daiichi Sankyo
• Fukushima Daiichi Nuclear Power Plant
• Ichiban (disambiguation)
• Japanese language
• Morioka First High School
• Ordinal number (linguistics)
• Radio Nikkei
• compound (linguistics)
• grammatical modifier
• kanji
• proper noun