Rede 21

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Rede 21 Comunicações S.A.

Type	Broadcast television network
Country	Brazil
First air date	October 21, 1996 (1996-10-21)
Headquarters	São Paulo, São Paulo, Brazil
Owner	Grupo Bandeirantes de Comunicação
Parent	Band, BandNews TV, BandSports, Arte1, Terra Viva
Key people	Johnny Saad
Established	July 7, 2008 (2008-07-07)
Launch date	October 21, 1996 (1996-10-21)
Dissolved	June 5, 2006 (2006-06-05)
Former names	Canal 21 PlayTV
Digital channel(s)	List 17 UHF (Goiânia) 22 UHF (São Paulo) 47 UHF (Salvador)
Picture format	480i (SDTV) 1080i (HDTV)
NET	Channel 24
Vivo TV	Channel 15
Affiliation(s)	Rede Mundial (2008–2013) TV Universal (2013–2022) Canal Empreender (2022-2023) TV Terra Viva (2023-present)
Official website	www.rede21.com.br

Rede 21 (Portuguese for 21 Network) is a Brazilian television network, launched on October 21, 1996 (relaunched on July 7, 2008), as Canal 21, broadcasting only for São Paulo. It grew to a network in 2003 with the addition of the TV Brasília affiliation. Before this, Salvador and Macapá pass to have the 21 signal. In 2003, Rio de Janeiro received the 21 on channel 54 UHF by retransmission, but shut down at the end of 2005.

In 2005, the network nationally broadcast five hours, from 7pm to 12am, but had good quality. Most part of this schedule was occupied by Japanese cartoons and American series like Sex and the City, The X-Files and That '70s Show.