YA, yA, or Ya may refer to:
Yahoo! is a web services provider headquartered in Sunnyvale, California and owned by Verizon Media. The original Yahoo!
The Yazidis, Yezidis ( (listen) yə-ZEE-deez) or sometimes Ezidis (Kurmanji: Êzîdî, IPA: [eːzɪˈdiː]), are a mostly Kurmanji-speaking religious minority, indigenous to a region of northern Mesopotamia (northern Iraq, northern Syria and southeastern Turkey) who are strictly endogamous.
The Yangtze River (English: or ), which is 6,380 km (3,964 mi) long, is the longest river in Asia and the third-longest in the world.
Yakuza (Japanese: ヤクザ, IPA: [jaꜜkɯza]), also known as gokudō (極道, "the extreme path", IPA: [gokɯꜜdoː]), are members of transnational organized crime syndicates originating in Japan.
Yakuza, known in Japan as Ryū ga Gotoku (龍が如く, Like a Dragon, Japanese: [ɾʲɨᵝː ɡa̠ go̞to̞kɯ̟ᵝ]), is an action-adventure beat 'em up video game franchise created, owned and published by Sega.