The Blue Neighbourhood Tour was the second concert tour by Australian recording artist Troye Sivan, in support of his debut studio album Blue Neighbourhood (2015).

Troye Sivan Mellet is an Australian singer-songwriter and actor. After gaining popularity as a singer on YouTube and in Australian talent competitions, Sivan signed with EMI Australia in 2013 and released his third EP, TRXYE (2014), which peaked at number five on the US Billboard 200. Its lead single, "Happy Little Pill", reached the top 10 on Australian music charts. In 2015, he released his fourth extended play, Wild, followed by his debut studio album, Blue Neighbourhood. The album's lead single, "Youth", became Sivan's first single to enter the top 40 of the Billboard Hot 100 chart, peaking at number 23.