The Hopeless Fountain Kingdom World Tour was the second headlining concert tour by American singer-songwriter Halsey, in support of her second studio album Hopeless Fountain Kingdom (2017). The tour began on September 29, 2017, in Uncasville, Connecticut, at the Mohegan Sun Arena and concluded on September 26, 2018, in Berlin, Germany, at Columbiahalle. In 2017, the tour grossed $9.2 million from 28 shows with 340,983 tickets sold across North America.

Ashley Nicolette Frangipane, known professionally as Halsey, is an American singer, songwriter and actress. Noted for her distinctive singing voice, she has received several awards including three Billboard Music Awards, a Billboard Women in Music Award, an American Music Award and nominations for three Grammy Awards. She was included on Time's annual list of the 100 most influential people in the world in 2020.