The discography of Australian band 5 Seconds of Summer consists of two studio albums, seven extended plays, seven singles, and ten music videos. On 5 February 2014, 5 Seconds of Summer listed their worldwide debut single "She Looks So Perfect" for pre-order on the iTunes Store. In late March 2014, "She Looks So Perfect" was released in the UK, their most successful single to date. It debuted at number one on the UK Singles Chart, making 5 Seconds of Summer only the fourth Australian band to have a number one song in the UK, and the first in 14 years. On 9 April 2014, the She Looks So Perfect EP debuted at number two on the Billboard 200.
On 13 May 2014, the band announced their debut album, named 5 Seconds of Summer, which was released on 22 July 2014. Their second single "Don't Stop" was released in June and debuted at number one in Ireland, number two in the UK and number 8 in New Zealand. On 15 July 2014, they released "Amnesia" as the third single from the album. It peaked at number three in Ireland, number seven in the UK and number sixteen in the US. The band released "Good Girls" as the final single from the album. It peaked at number twelve in Ireland and number nineteen in the UK.
On 21 November 2014, the band announced their first live album, LiveSOS, which was released on 15 December 2014. The band released "What I Like About You" as a single from the album. It peaked at number 137 in the UK.
On 17 July 2015, the band released "She's Kinda Hot", the first single off their second studio album, Sounds Good Feels Good. It peaked at number six in Australia, number seven in Ireland, number fourteen in the UK and number twenty-two in the US. The band released "Hey Everybody!" as the second single from the album on 9 October 2015. It peaked at number forty-nine in the UK and Ireland and number seventy in Australia. The band then released Sounds Good Feels Good two weeks later. It peaked at number one in the charts of ten countries, including Australia, Canada, Ireland, the UK and the US. The band released "Jet Black Heart" as the third and final single from the album. It peaked at number thirty-four in Australia, number sixty in the UK, number seventy-eight in Ireland and number ninety-five in the US.