| lán | orchid (蘭花|兰花 Cymbidium goeringii)/fragrant thoroughwort (蘭草|兰草 Eupatorium fortunei)/lily magnolia (木蘭|木兰)/surname Lan |
| 兰 | surname Lan abbr. for Lanzhou 蘭州|兰州 |
| 兰交 | close friendship a meeting of minds |
| 兰亭帖 | a handwritten copy of LanTinXiu, by Wang Hsi-chih, a 4th century writer and calligraphic master |
| 兰克 | Rank (name) Leopold von Ranke (1795-1886), important German historian |
| 兰勒 | langley |
| 兰博基尼 | Lamborghini |
| 兰因絮果 | starts well but ends in separation (of marital relations) |
| 兰坪 | Lanping Bai and Pumi autonomous county in Nujiang Lisu autonomous prefecture 怒江傈僳族自治州 |
| 兰坪县 | Lanping Bai and Pumi autonomous county in Nujiang Lisu autonomous prefecture 怒江傈僳族自治州 |
| 兰坪白族普米族自治县 | Lanping Bai and Pumi autonomous county in Nujiang Lisu autonomous prefecture 怒江傈僳族自治州 |
| 兰姆 | Lamb (name) |
| 兰姆打 | lambda (Greek letter Λλ) |
| 兰姆达 | lambda (Greek letter Λλ) |
| 兰姆酒 | rum (beverage) (loanword) |
| 兰学 | Dutch studies (study of Europe and the world in premodern Japan) |
| 兰室 | a lady's room (honorific) |
| 兰山 | Lanshan district of Linyi city 臨沂市|临沂市 |
| 兰山区 | Lanshan district of Linyi city 臨沂市|临沂市 |
| 兰屿 | Lanyu or Orchid Island township in Taitung county 臺東縣|台东县 |
| 兰屿乡 | Lanyu or Orchid Island township in Taitung county 臺東縣|台东县 |