The Okikaze-shū (興風集), is a Japanese anthology of waka poetry. It is the personal anthology (kashū) of Fujiwara no Okikaze. It is one of the Sanjūroku-nin Shū (三十六人集).

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It was put together by an unknown compiler sometime after the mid-tenth century and survives in three variant textual traditions. It incorporates poems taken from the first two imperial anthologies, as well as a number of poems from an unknown source. Later imperial anthologies attributed poems to Okikaze based on their inclusion in this collection.

The Okikaze-shū is a personal collection (kashū) of the waka of the 10th-century poet Fujiwara no Okikaze.^[1] It was not personally compiled by Okikaze, but by a later, unknown compiler,^[1] in the mid- or late-Heian period.^[1]

The Okikaze-shū has three distinct textual lines, but scholars consider them to have originated from a single Urtext.^[1]

Line 1 is the rufubon (common) text, which was printed as part of the Kasen Kashū during the Shōhō era (the Shōhō-ban Kasen Kashū, 正保版歌仙歌集) and includes 52 poems.^[1] The last of these poems, however, is an interpolation (他本歌 tahon-ka) from the Gosenshū.^[1] Line 2 is represented by a manuscript traditionally attributed to Bōmon-no-tsubone [ja], and includes 53 poems.^[1] Line 3 is represented by the edition included in the Nishihonganji-bon Sanjūroku-nin Shū (the Nishi Hongan-ji text), and includes 57 poems.^[1] Lines 1 and 2 more closely resemble each other than either resembles Line 3.^[1]

There is also a surviving fragmentary text, the so-called Fujiwara no Okikaze Shū (藤原興風集).^[1]

All three textual lines of the Okikaze-shū are composed of two sections,^[1] the first of which consists of poems borrowed from the Kokinshū and the Gosenshū,^[1] the latter sections being poems collected by an unknown compiler.^[1] The poems that were attributed to Okikaze by the Shinkokinshū and later imperial anthologies were all taken from this latter section.^[1]

Facsimile editions include the Fukkoku Nihon Koten Bungakukan, the Gosho-bon Sanjūrokunin-shū, the Sanjūrokunin Kashū and the Nishihonganji-bon Sanjūrokunin Kashū.^[1]

Modern printed editions include those of the Gunsho Ruijū, the Shoku Kokka Taikan (a supplement to the Kokka Taikan) and the Katsura no Miya Sōsho Vol. 1.^[1]