ERT2 Sport (, "ERT Dyo Spor") is a Greek free-to-air sports television channel owned and operated by Greece's public broadcaster Hellenic Broadcasting Corporation (). It is the corporation's second television channel.
It was originally referred to as "ERT2" and "ET2" (short for EllinikàTileórasi 2; ) but the name was later changed to "NET" (short for Néa EllinikàTileórasi; ), before changing back to "ERT2" by technically replacing NERIT Plus. Amid protests of the government's decision to close the public broadcaster, ERT staff continued to operate NET via satellite and internet. until November 7, 2013, when riot police stormed into ERT headquarters and took the internet programming of NET off the air.
On the 27th of February 1966, a second television channel was created by the Hellenic Armed Forces, the Armed Forces Television (TED), which in 1970 became a fully-fledged second broadcaster as the Armed Forces Information Service (YENED). It contained news, sports, fashion, music, drama series and more rarely documentaries, films, and children programming.
On 3 November 1982, YENED passed under civilian control and was renamed as ERT2. Public broadcasters were the only broadcasters in Greece. ERT2 followed the same programming. In 1987, ERT and ERT2 became one company, ERT and the channels rebranded ET1 and ET2.
The channel started losing ratings due to the arrival of private television channels. As consequence of that, In 1997, ET2 was restructured as a news and information channel, airing documentaries and sports. It was therefore renamed as NET (Nea Elliniki Tileorasi/New Hellenic Television). The new name appeared on 20 October 1997.
On 11 June 2013, NET was taken off air after the Greek government announced its decision to close ERT. Amid protests, NET continued to be broadcast via the Internet with the help of the European Broadcasting Union until November 7, 2013, when police forces invaded the ERT building and took the program off.
By ERT relaunch on June 11, 2015, the station returned as ERT2, technically replacing NERIT Plus in its space.
From 4 October 2025, the channel will be rebranded ERT2 SPOR and will only air sports programming. The new format will include a protocol with the Hellenic Olympic Committee, valid until year-end 2027.
ERT2's shows (prior to the reconversion to an all-sports channel in 2025) included: