Local yaku

Local Yakus 「ローカル役」 are the yaku not used in the standard ruleset of Japanese mahjong. Some of them are used to be in general ruleset before, they are also known as Ancient Yakus 「古役（こやく）」. The list is extensive. This page will only record some of them, which will remain incomplete.

One-han yakus

Tsubame gaeshi

Shiiaru raotai

Kanburi

Sangen chiitoitsu / Suushi chiitoitsu

One-han and above

Uushin tsuukan

Two-han yakus

Sanrenkou

Sanshoku tsuukan

Sanshoku renkou

Kyandonhou

Ryandoukou

Choupaikou / Sujipaikou / Chousankou

Suuzuukou

Two-han and above

Open riichi

Isshoku sanjun

Sanfuukou / Otakaze sankou

Uumensai

Renkaihou

Mondeikou

Mondeikou 「門泥公（もんでいこう）」 is a yaku used in 4 akadora mahjong rules. When a hand contains all four akadoras, Mondeikou is applied.

Value: 2 han (may include kuisagari); or minus 4 han which cancels out akadora's 4 han.
Example: , Agari: or

Three-han and above

Open daburu riichi

Ikkitsuukan Chantaiyaochuu

Tanfonhou

Six-han and above

Sansou shanronfui

Mangan

Kinkei dokuritsu

Kinkei dokuritsu / Chinchi dourii 「金鶏独立」 (lit. A golden cock standing alone) is a four-melded hand waiting for 1-sou's hadaka tanki. Ankans are admitted. Also called Chinchiihou 「金鶏和」.

Value: Usually 5 han
Example: , Agari:

Touchao hanchanshue

Uupin kaihou

Ryansou chankan

Iipin mouyue

Chuupin raoyui

Mangan / Yakuman

Shanron chonchu

Chiishin uushii

Chuenbukao

Mangan / Baiman / Yakuman

Renhou 「人和」 Closed only Varies as yakuman, mangan, 5 han, or etc.	A non-dealer player wins on a discard at the first round.

Yakuman

Daichisei 「大七星」 Closed only Yakuman, or double yakuman	The seven pair variant to tsuuiisou. This may count as an independent yakuman pattern. Otherwise, it may be counted as tsuuiisou.
	Agari:

Paarenchan

Pouhoi paarenchan

Ishino uenimo sannen

Katen gecchi

Shiisanpuutaa 「十三不塔」 Closed only Yakuman	A player is dealt a hand, by which, no two tiles can reasonably form a tile group with a tile draw. For completion, one tile may be paired.
	Agari:

Shiisuupuutaa 「十四不塔」 Closed only Yakuman	A player is dealt a hand, by which, no two tiles can reasonably form a tile group with a tile draw. For completion, no tiles are paired.
	Agari: