1998–99 NTFL season

The 1998–99 NTFL season was the 78th season of the Northern Territory Football League (NTFL).^[1]

Waratah have won there 14th premiership title while defeating St Marys in the grand final by 66 points.

Grand Final

Premiers	GF Score	Runner-up
Waratah	19.13 (127) - 8.13 (61)	St Marys

Northern Territory Football League
Clubs	Darwin Nightcliff Palmerston PINT Southern Districts St Mary's Tiwi Bombers Wanderers Waratah
Seasons	1916–17 1917–18 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942−1945 1946–47 1947–48 1948–49 1949–50 1950–51 1951–52 1952–53 1953–54 1954–55 1955–56 1956–57 1957–58 1958–59 1959–60 1960–61 1961–62 1962–63 1963–64 1964–65 1965–66 1966–67 1967–68 1968–69 1969–70 1970–71 1971–72 1972–73 1973–74 1974–75 1975–76 1976–77 1977–78 1978–79 1979–80 1980–81 1981–82 1982–83 1983–84 1984–85 1985–86 1986–87 1987–88 1988–89 1989–90 1990–91 1991–92 1992–93 1993–94 1994–95 1995–96 1996–97 1997–98 1999–00 2000–01 2001–02 2002–03 2003–04 2004–05 2005–06 2006–07 2007–08 2008–09 2009–10 2010–11 2011–12 2012–13 2013–14 2014–15 2015–16 2016–17 2017–18 2018–19 2019–20 2020–21 2021–22 2022–23 2023–24 2024–25 2025–26
Awards	Nichols Medal Chaney Medal