The Under-21 team plays in the
Premier League 2, Division 2. It also participates in the
Northumberland Senior Cup each season. Newcastle Under-21 play their home games at Whitley Park, the former home ground of
West Allotment Celtic, and also at the first team stadium
St James' Park. In previous seasons the team has also played at
Gateshead International Stadium, the home ground of
Gateshead, and
Kingston Park, the home ground of
Newcastle Falcons.
Honours ;League Winners •
The Central League (1): 1947–48 •
Northern Football League (3): 1902–03, 1903–04, 1904–05 •
North Eastern League (6): 1906–07, 1907–08, 1908–09, 1910–11, 1922–23, 1925–26 •
Northern Football Alliance (5): 1897–98, 1900–01, 1901–02, 1938–39, 1957–58 ;Cups Winners •
Northumberland Senior Cup (33): 1884–85 and 1888–89 (
Newcastle East End), 1887–88 and 1891–92 (
Newcastle West End), 1898–98, 1900–01, 1903–04, 1904–05, 1906–06, 1908–09, 1909–10, 1910–11, 1911–12 (joint), 1921–22, 1924–25, 1925–26, 1926–27, 1928–29, 1929–30, 1930–31, 1988–89, 1989–90, 1994–95, 1995–96, 1998–99, 1999–00, 2000–01, 2002–03, 2005–06, 2007–08, 2008–09, 2010–11, 2011–12, 2013–14, 2017-18, 2023-24 •
HKFC Soccer Sevens (3): 2012, 2018, 2019 ==Under-18==