Every Portsmouth season on record, from 1899–00 to 2026–27 — league record, finishing position and leading scorer. Click a season for every match it contained.
| Season | Division | P | W | D | L | GF | GA | Pos | Leading scorer |
|---|---|---|---|---|---|---|---|---|---|
| 1899–00 | Southern League | 3 | 0 | 2 | 1 | 1 | 6 | 2 | |
| 1901–02 | Southern League | 5 | 2 | 2 | 1 | 7 | 7 | 1 | |
| 1902–03 | Southern League | 1 | 0 | 0 | 1 | 0 | 5 | 3 | |
| 1903–04 | Southern League | 1 | 0 | 0 | 1 | 2 | 5 | 4 | |
| 1904–05 | Southern League | 2 | 1 | 0 | 1 | 3 | 2 | 8 | |
| 1905–06 | Southern League | 1 | 0 | 0 | 1 | 1 | 5 | 3 | |
| 1906–07 | Southern League | 3 | 1 | 1 | 1 | 4 | 4 | 2 | |
| 1907–08 | Southern League | 3 | 2 | 0 | 1 | 2 | 1 | 9 | |
| 1908–09 | Southern League | 3 | 1 | 1 | 1 | 7 | 7 | 4 | |
| 1909–10 | Southern League | 2 | 1 | 0 | 1 | 3 | 1 | 6 | |
| 1910–11 | Southern League | 1 | 0 | 0 | 1 | 1 | 4 | 20 | |
| 1911–12 | Southern League | 2 | 1 | 0 | 1 | 2 | 3 | 2 | |
| 1912–13 | Southern League | 1 | 0 | 0 | 1 | 1 | 2 | 11 | |
| 1913–14 | Southern League | 1 | 0 | 0 | 1 | 0 | 4 | 9 | |
| 1914–15 | Southern League | 1 | 0 | 0 | 1 | 0 | 1 | 7 | |
| 1919–20 | Southern League | 1 | 0 | 0 | 1 | 0 | 2 | 1 | |
| 1920–21 | Third Division | 43 | 12 | 15 | 16 | 46 | 51 | 12 | Frank Stringfellow (13) |
| 1921–22 | Third Division South | 44 | 18 | 18 | 8 | 64 | 42 | 3 | Percy Cherrett (22) |
| 1922–23 | Third Division South | 44 | 19 | 9 | 16 | 59 | 55 | 7 | Jerry Mackie (10) |
| 1923–24 | Third Division South | 43 | 24 | 11 | 8 | 89 | 34 | 1 | Willie Haines (28) |
| 1924–25 | Second Division | 46 | 16 | 20 | 10 | 63 | 53 | 4 | Willie Haines Jerry Mackie (17) |
| 1925–26 | Second Division | 45 | 17 | 12 | 16 | 80 | 77 | 11 | Willie Haines (20) |
| 1926–27 | Second Division | 45 | 24 | 9 | 12 | 95 | 55 | 2 | Willie Haines (40) |
| 1927–28 | First Division | 43 | 16 | 7 | 20 | 66 | 92 | 20 | Willie Haines Jack Smith (11) |
| 1928–29 | First Division | 49 | 20 | 7 | 22 | 66 | 86 | 20 | Jack Smith (9) |
| 1929–30 | First Division | 44 | 16 | 10 | 18 | 68 | 63 | 13 | Jack Weddle (21) |
| 1930–31 | First Division | 45 | 20 | 13 | 12 | 87 | 68 | 4 | Jimmy Easson (29) |
| 1931–32 | First Division | 47 | 21 | 9 | 17 | 68 | 66 | 8 | Jack Weddle (22) |
| 1932–33 | First Division | 43 | 18 | 7 | 18 | 76 | 79 | 9 | Jack Weddle (20) |
| 1933–34 | First Division | 49 | 20 | 13 | 16 | 68 | 60 | 10 | Jack Weddle (17) |
| 1934–35 | First Division | 46 | 16 | 12 | 18 | 75 | 77 | 14 | Jack Weddle (24) |
| 1935–36 | First Division | 43 | 17 | 8 | 18 | 55 | 70 | 10 | Jack Weddle (16) |
| 1936–37 | First Division | 43 | 17 | 10 | 16 | 62 | 71 | 9 | Cliff Parker (12) |
| 1937–38 | First Division | 44 | 14 | 12 | 18 | 65 | 71 | 19 | Jimmy Beattie (21) |
| 1938–39 | First Division | 48 | 18 | 13 | 17 | 62 | 72 | 17 | Jock Anderson (10) |
| 1945–46 | 2 | 0 | 1 | 1 | 0 | 1 | |||
| 1946–47 | First Division | 44 | 17 | 9 | 18 | 69 | 63 | 12 | Duggie Reid (29) |
| 1947–48 | First Division | 44 | 20 | 7 | 17 | 73 | 54 | 8 | Duggie Reid (15) |
| 1948–49 | First Division | 47 | 29 | 8 | 10 | 99 | 49 | 1 | Peter Harris (22) |
| 1949–50 | First Division | 47 | 24 | 11 | 12 | 86 | 45 | 1 | Ike Clarke (20) |
| 1950–51 | First Division | 43 | 16 | 15 | 12 | 71 | 70 | 7 | Ike Clarke Len Phillips (11) |
| 1951–52 | First Division | 46 | 23 | 8 | 15 | 81 | 63 | 4 | Duggie Reid (18) |
| 1952–53 | First Division | 44 | 14 | 11 | 19 | 76 | 87 | 15 | Peter Harris (23) |
| 1953–54 | First Division | 49 | 16 | 15 | 18 | 95 | 99 | 14 | Peter Harris (24) |
| 1954–55 | First Division | 43 | 18 | 12 | 13 | 75 | 64 | 3 | Peter Harris (23) |
| 1955–56 | First Division | 44 | 17 | 9 | 18 | 81 | 88 | 12 | Peter Harris (24) |
| 1956–57 | First Division | 44 | 11 | 13 | 20 | 66 | 96 | 19 | Johnny Gordon Peter Harris (13) |
| 1957–58 | First Division | 44 | 13 | 8 | 23 | 79 | 94 | 20 | Peter Harris (18) |
| 1958–59 | First Division | 46 | 8 | 10 | 28 | 71 | 115 | 22 | Ron Saunders (24) |
| 1959–60 | Second Division | 43 | 10 | 12 | 21 | 59 | 80 | 20 | Ron Saunders (17) |
| 1960–61 | Second Division | 47 | 14 | 11 | 22 | 70 | 96 | 21 | Ron Saunders (23) |
| 1961–62 | Third Division | 51 | 29 | 12 | 10 | 94 | 54 | 1 | Ron Saunders (26) |
| 1962–63 | Second Division | 51 | 16 | 15 | 20 | 81 | 90 | 16 | Ron Saunders (29) |
| 1963–64 | Second Division | 46 | 18 | 11 | 17 | 90 | 82 | 9 | Ron Saunders |
| 1964–65 | Second Division | 47 | 13 | 12 | 22 | 63 | 85 | 20 | Cliff Portwood (12) |
| 1965–66 | Second Division | 46 | 17 | 9 | 20 | 77 | 84 | 12 | Albert McCann (13) |
| 1966–67 | Second Division | 47 | 14 | 15 | 18 | 67 | 81 | 14 | Albert McCann (14) |
| 1967–68 | Second Division | 48 | 21 | 14 | 13 | 75 | 62 | 5 | Albert McCann (16) |
| 1968–69 | Second Division | 45 | 13 | 14 | 18 | 61 | 64 | 15 | Ray Hiron (17) |
| 1969–70 | Second Division | 44 | 13 | 9 | 22 | 67 | 83 | 17 | Ray Hiron (18) |
| 1970–71 | Second Division | 48 | 13 | 15 | 20 | 54 | 66 | 16 | Ray Hiron (14) |
| 1971–72 | Second Division | 46 | 14 | 13 | 19 | 64 | 73 | 16 | Richie Reynolds (11) |
| 1972–73 | Second Division | 46 | 13 | 12 | 21 | 46 | 66 | 17 | Ray Hiron (10) |
| 1973–74 | Second Division | 50 | 17 | 15 | 18 | 54 | 72 | 15 | Ron Davies (16) |
| 1974–75 | Second Division | 45 | 13 | 13 | 19 | 47 | 62 | 17 | Mick Mellows (8) |
| 1975–76 | Second Division | 50 | 11 | 11 | 28 | 39 | 70 | 22 | Norman Piper (12) |
| 1976–77 | Third Division | 52 | 13 | 16 | 23 | 60 | 77 | 20 | David Kemp (17) |
| 1977–78 | Third Division | 54 | 10 | 19 | 25 | 58 | 89 | 24 | David Kemp (21) |
| 1978–79 | Fourth Division | 50 | 21 | 13 | 16 | 66 | 53 | 7 | Jeff Hemmerman (16) |
| 1979–80 | Fourth Division | 54 | 26 | 15 | 13 | 98 | 60 | 4 | Colin Garwood |
| 1980–81 | Third Division | 54 | 26 | 10 | 18 | 64 | 58 | 6 | David Gregory (15) |
| 1981–82 | Third Division | 52 | 15 | 22 | 15 | 65 | 63 | 13 | Billy Rafferty (19) |
| 1982–83 | Third Division | 50 | 28 | 11 | 11 | 80 | 48 | 1 | Alan Biley (27) |
| 1983–84 | Second Division | 48 | 16 | 8 | 24 | 84 | 75 | 16 | Mark Hateley (25) |
| 1984–85 | Second Division | 48 | 22 | 15 | 11 | 74 | 56 | 4 | Neil Webb (18) |
| 1985–86 | Second Division | 51 | 26 | 10 | 15 | 82 | 51 | 4 | Nicky Morgan (15) |
| 1986–87 | Second Division | 47 | 26 | 9 | 12 | 60 | 36 | 2 | Micky Quinn |
| 1987–88 | First Division | 46 | 10 | 14 | 22 | 46 | 77 | 19 | Micky Quinn (11) |
| 1988–89 | Second Division | 50 | 13 | 14 | 23 | 57 | 70 | 20 | Micky Quinn (21) |
| 1989–90 | Second Division | 51 | 16 | 17 | 18 | 67 | 71 | 12 | Guy Whittingham (25) |
| 1990–91 | Second Division | 53 | 17 | 13 | 23 | 75 | 78 | 17 | Guy Whittingham (20) |
| 1991–92 | Second Division | 58 | 26 | 16 | 16 | 84 | 63 | 9 | Guy Whittingham (13) |
| 1992–93 | First Division | 58 | 32 | 12 | 14 | 98 | 58 | 3 | Guy Whittingham |
| 1993–94 | First Division | 55 | 18 | 17 | 20 | 66 | 67 | 17 | Gerry Creaney Alan McLoughlin (11) |
| 1994–95 | First Division | 53 | 19 | 14 | 20 | 65 | 71 | 18 | Gerry Creaney (22) |
| 1995–96 | First Division | 49 | 13 | 13 | 23 | 61 | 75 | 21 | Paul Hall Alan McLoughlin (10) |
| 1996–97 | First Division | 54 | 24 | 9 | 21 | 71 | 63 | 7 | Lee Bradbury (17) |
| 1997–98 | First Division | 50 | 13 | 12 | 25 | 56 | 70 | 20 | John Aloisi (12) |
| 1998–99 | First Division | 52 | 15 | 14 | 23 | 68 | 86 | 19 | John Aloisi (17) |
| 1999–00 | First Division | 51 | 14 | 13 | 24 | 59 | 73 | 18 | Steve Claridge (14) |
| 2000–01 | First Division | 51 | 11 | 21 | 19 | 50 | 66 | 20 | Lee Bradbury Steve Claridge (11) |
| 2001–02 | First Division | 49 | 13 | 14 | 22 | 63 | 82 | 17 | Peter Crouch (19) |
| 2002–03 | First Division | 50 | 30 | 11 | 9 | 102 | 55 | 1 | Svetoslav Todorov |
| 2003–04 | Premier League | 46 | 17 | 10 | 19 | 63 | 68 | 13 | Yakubu (19) |
| 2004–05 | Premier League | 44 | 14 | 9 | 21 | 50 | 65 | 16 | Yakubu (17) |
| 2005–06 | Premier League | 41 | 11 | 8 | 22 | 41 | 67 | 17 | Lomana LuaLua Gary O'Neil Matthew Taylor (7) |
| 2006–07 | Premier League | 42 | 16 | 12 | 14 | 50 | 49 | 9 | Nwankwo Kanu (12) |
| 2007–08 | Premier League | 47 | 24 | 9 | 14 | 60 | 43 | 8 | Benjani Mwaruwari (12) |
| 2008–09 | Premier League | 46 | 11 | 14 | 21 | 45 | 71 | 14 | Peter Crouch (16) |
| 2009–10 | Premier League | 49 | 15 | 8 | 26 | 60 | 77 | 20 | Frédéric Piquionne (10) |
| 2010–11 | Championship | 50 | 16 | 14 | 20 | 58 | 67 | 16 | David Nugent (14) |
| 2011–12 | Championship | 48 | 13 | 11 | 24 | 50 | 64 | 22 | David Norris (8) |
| 2012–13 | League One | 50 | 10 | 13 | 27 | 54 | 79 | 24 | Izale McLeod (11) |
| 2013–14 | League Two | 51 | 15 | 18 | 18 | 59 | 73 | 13 | Jed Wallace (7) |
| 2014–15 | League Two | 52 | 16 | 16 | 20 | 59 | 63 | 16 | Jed Wallace (17) |
| 2015–16 | League Two | 56 | 25 | 17 | 14 | 88 | 58 | 6 | Marc McNulty (12) |
| 2016–17 | League Two | 51 | 27 | 10 | 14 | 88 | 51 | 1 | Kal Naismith (15) |
| 2017–18 | League One | 53 | 23 | 7 | 23 | 68 | 65 | 8 | Brett Pitman (23) |
| 2018–19 | League One | 62 | 35 | 16 | 11 | 109 | 62 | 4 | Jamal Lowe (15) |
| 2019–20 | League One | 52 | 29 | 12 | 11 | 85 | 57 | 5 | Ronan Curtis (11) |
| 2020–21 | League One | 57 | 26 | 11 | 20 | 87 | 69 | 8 | John Marquis (9) |
| 2021–22 | League One | 54 | 23 | 13 | 18 | 81 | 66 | 10 | Marcus Harness (11) |
| 2022–23 | League One | 57 | 23 | 21 | 13 | 85 | 61 | 8 | Colby Bishop (20) |
| 2023–24 | League One | 53 | 31 | 15 | 7 | 94 | 54 | 1 | Colby Bishop (21) |
| 2024–25 | Championship | 48 | 14 | 12 | 22 | 58 | 74 | 16 | Colby Bishop (11) |
| 2025–26 | Championship | 48 | 14 | 13 | 21 | 51 | 70 | 18 | Adrian Segečić (11) |
| 2026–27 | 4 | 1 | 0 | 3 | 6 | 9 |