Jo Hartley is an English actress. She is known for her roles in the films Dead Man's Shoes (2004), This Is England (2006), The Young Victoria (2009), Torvill & Dean (2018), Slaughterhouse Rulez (2018), Eddie the Eagle (2016), Sweetheart (2021), and Bank of Dave (2023).

Television credits include This Is England '86 (2010), Not Safe For Work (2015), In My Skin (2018), After Life (2019-2022), Mandy (2021), Das Boot (2022), Death In Paradise (2023), Passenger (2024), and Adolescence (2025). Hartley was born in the Metropolitan Borough of Oldham, Greater Manchester, England, and brought up in a working-class family, attending North Chadderton School in Chadderton, in Oldham. She started acting at the age of 11 in her school production of The Sound of Music as Gretel Von Trappe.