Lan
- Cantonese profanity
- Capital Region International Airport
- David Lan
- Donald Lan
- Ian
- LAN Dominicana
- LAN party
- LATAM Airlines
- LATAM Argentina
- LATAM Colombia
- LATAM Ecuador
- LATAM Peru
- Lan (agrotown)
- Lan (film)
- Lan (given name)
- Lan (river)
- Lan (surname 兰)
- Lan (surname 蓝)
- Lan (tribe)
- Lan County
- Lan Hikari
- Lan Mandragoran
- Lan blood group system
- Lancashire
- Lancaster railway station
- Lans (disambiguation)
- Lanthanum nitride
- List of storms named Lan
- Llan (disambiguation)
- Llan (placename)
- Local area network
- Local asymptotic normality
- Longitude of the ascending node
- Län
- Phạm Chi Lan
- Łan
- Łan, Lublin Voivodeship