The New York Islanders were 35-23-10 in 2019-20. They finished 5th in the Metropolitan Division and 7th in the Eastern Conference. They lost in the 2020 Eastern Conference Final against the Tampa Bay Lightning, 4 games to 2.
| GP | W | L | OTL | PTS | PTS% | SOW | SOL | G | GA | DIFF | PP% | PK% | S/GP | S% | SA/GP | Sv% | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Team | 68 | 35 | 23 | 10 | 80 | .588 | 3 | 3 | 189 | 190 | -1 | 17.3 | 80.7 | 29.65 | 9.4 | 31.22 | .911 |
| Team Rank | 17th | 8th | 26th | 14th | 11th | 11th | 15th | 24th | 5th | 19th | 24th | 15th | 28th | 17th | 17th | 8th |
| GP | G | A | P | +/- | PIM | PPG | PPA | SHG | SHA | GWG | OTG | S | S% | TOI/GP | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Mathew Barzal | 68 | 19 | 41 | 60 | 5 | 44 | 4 | 8 | 0 | 0 | 2 | 0 | 171 | 11.1 | 20:03 |
| Brock Nelson | 68 | 26 | 28 | 54 | 6 | 32 | 4 | 3 | 0 | 0 | 5 | 3 | 175 | 14.9 | 18:52 |
 | Josh Bailey | 68 | 14 | 29 | 43 | -12 | 10 | 2 | 7 | 1 | 0 | 2 | 0 | 94 | 14.9 | 16:54 |
| Anders Lee | 68 | 20 | 23 | 43 | 8 | 47 | 2 | 5 | 0 | 0 | 6 | 1 | 195 | 10.3 | 18:18 |
| Jordan Eberle | 58 | 16 | 24 | 40 | 1 | 12 | 4 | 7 | 0 | 0 | 1 | 0 | 136 | 11.8 | 17:49 |
| Anthony Beauvillier | 68 | 18 | 21 | 39 | -11 | 15 | 3 | 4 | 1 | 0 | 3 | 2 | 132 | 13.6 | 17:16 |
| Ryan Pulock | 68 | 10 | 25 | 35 | 8 | 14 | 3 | 5 | 0 | 0 | 3 | 1 | 163 | 6.1 | 22:24 |
| Derick Brassard | 66 | 10 | 22 | 32 | -2 | 16 | 3 | 7 | 0 | 0 | 1 | 0 | 110 | 9.1 | 13:42 |
| Devon Toews | 68 | 6 | 22 | 28 | 1 | 16 | 1 | 5 | 0 | 0 | 1 | 1 | 122 | 4.9 | 20:31 |
| Nick Leddy | 60 | 3 | 18 | 21 | -1 | 14 | 1 | 3 | 0 | 0 | 0 | 0 | 72 | 4.2 | 21:07 |
| Casey Cizikas | 48 | 10 | 4 | 14 | 12 | 41 | 0 | 0 | 3 | 2 | 1 | 0 | 67 | 14.9 | 14:18 |
| Leo Komarov | 48 | 4 | 10 | 14 | 2 | 10 | 0 | 0 | 0 | 1 | 1 | 0 | 46 | 8.7 | 12:36 |
| Scott Mayfield | 67 | 5 | 8 | 13 | 8 | 53 | 0 | 0 | 0 | 2 | 1 | 0 | 98 | 5.1 | 19:57 |
| Johnny Boychuk | 64 | 2 | 9 | 11 | -11 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 96 | 2.1 | 17:17 |
| Michael Dal Colle | 53 | 4 | 6 | 10 | -8 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 59 | 6.8 | 11:48 |
| Adam Pelech | 38 | 1 | 8 | 9 | 4 | 20 | 0 | 0 | 0 | 2 | 0 | 0 | 49 | 2.0 | 21:08 |
| Matt Martin | 55 | 5 | 3 | 8 | -1 | 40 | 0 | 0 | 0 | 0 | 2 | 0 | 49 | 10.2 | 10:25 |
| Cal Clutterbuck | 37 | 3 | 4 | 7 | 6 | 22 | 0 | 0 | 1 | 1 | 0 | 0 | 35 | 8.6 | 13:25 |
| Noah Dobson | 34 | 1 | 6 | 7 | -1 | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 37 | 2.7 | 13:17 |
| Tom Kuhnhackl | 28 | 3 | 3 | 6 | -4 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 28 | 10.7 | 11:18 |
| Ross Johnston | 32 | 3 | 1 | 4 | 1 | 78 | 0 | 0 | 0 | 0 | 0 | 0 | 16 | 18.8 | 7:59 |
| Kieffer Bellows | 8 | 2 | 1 | 3 | 3 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 11 | 18.2 | 10:39 |
| Andy Greene | 10 | 0 | 3 | 3 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 11 | 0.0 | 16:32 |
| Cole Bardreau | 10 | 1 | 1 | 2 | -2 | 6 | 0 | 0 | 0 | 0 | 1 | 0 | 10 | 10.0 | 8:52 |
| Jean-Gabriel Pageau | 7 | 2 | 0 | 2 | -6 | 17 | 1 | 0 | 0 | 0 | 0 | 0 | 16 | 12.5 | 18:00 |
| Andrew Ladd | 4 | 1 | 0 | 1 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 20.0 | 11:58 |
| Otto Koivula | 12 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0.0 | 7:55 |
| Oliver Wahlstrom | 9 | 0 | 0 | 0 | -2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0.0 | 10:17 |
| GP | GS | W | L | OTL | SA | Sv | Sv% | GA | GAA | SHO | MIN | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semyon Varlamov | 45 | 39 | 19 | 14 | 6 | 1,278 | 1,168 | .914 | 110 | 2.62 | 2 | 2517 |
| Thomas Greiss | 31 | 29 | 16 | 9 | 4 | 838 | 765 | .913 | 73 | 2.74 | 0 | 1596 |