Tia Dashon Mowry (; July 6, 1978) is an American actress. She first gained recognition for her starring role as Tia Landry in the sitcom Sister, Sister (1994–1999), opposite her twin sister Tamera Mowry. The sisters then starred together in the fantasy comedy film Seventeen Again (2000) and voiced the LaBelle sisters in the animated series Detention (1999–2000). The two also starred in the Disney Channel Original Movie Twitches (2005) and its sequel, Twitches Too (2007). They were featured in the reality series Tia & Tamera from 2011 to 2013.

Mowry voiced Sasha in the animated series Bratz (2005–2006). She starred as Melanie Barnett in the comedy-drama series The Game (2006–2015), Stephanie Phillips in the sitcom Instant Mom (2013–2015) and Cocoa McKellan in the sitcom Family Reunion (2019–2022).

Mowry had starring roles in the teen comedy film The Hot Chick (2002), the musical comedy film The Mistle-Tones (2012), the romantic comedy film Baggage Claim (2013) and the drama film Indivisible (2018).

Mowry and her sister, Tamera, formed a singing group in the early 1990s called Voices. The group debuted their first single, "Yeah, Yeah, Yeah!", in 1992 and it charted at No. 72 on the Billboard Hot 100.