Oroshi (颪, lit. 'down wind') is the Japanese term for a wind blowing strong down the slope of a mountain, occasionally as strong gusts of wind which can cause damage. Oroshi is a strong local wind across the Kanto Plain on the Pacific Ocean side of central Honshu. This term identifies a katabatic wind.

The Oroshi wind is mentioned in Japanese poetry, including a poem which is included in the Hyakunin Isshu.

ukarikeru
hito wo hatsuse no
yama-oroshi yo
hageshikare to ha
inoranu mono wo
  — Minamoto no Toshiyori

    Make that heartless
woman, O mountain storm
    of Hatsuse Temple,
crueller still!" – this is not
what I prayed for, and yet ...

Many versions of this poem which were published during the Edo period have yama-oroshi instead of yama-oroshi yo, but the meaning is equivalent: the poet cries out to the wind; and he compares the cold down-draft to the heartless woman.

Oroshi is also a character in "La Horde du Contre-vent", an adventure book written by Alain Damasio, a French writer. In this story, Oroshi is the name of a wind mistress, she can read the wind as it is paper.