2023–24 New York Islanders season

The 2023–24 New York Islanders season was the 52nd season in the franchise's history. It was their third season in UBS Arena.

On January 20, 2024, the Islanders, who had a 19–15–11 record and were out of playoff contention, fired head coach Lane Lambert, and replaced him with Patrick Roy.

The Islanders participated in the 2024 NHL Stadium Series at MetLife Stadium in East Rutherford, New Jersey, where they hosted the New York Rangers on February 18, losing the game 6–5 in overtime.

On April 15, the Islanders clinched a playoff berth following a 4–1 win over the New Jersey Devils. The Islanders played against the Carolina Hurricanes in the first round for the second consecutive season and once again lost, this time in five games.

Preseason
The preseason schedule was published on June 22, 2023.

Regular season
The regular season schedule was published on June 27, 2023.

Playoffs
The Islanders faced the Carolina Hurricanes in the first round, losing the series in five games.

Player statistics
As of April 30, 2024

Goaltenders
† Denotes player spent time with another team before joining the Islanders. Stats reflect time with the Islanders only.

‡ Denotes player was traded mid-season. Stats reflect time with the Islanders only.

Bold/italics denotes franchise record.

Transactions
The Islanders have been involved in the following transactions during the 2023–24 season.

Draft picks
Below are the New York Islanders' selections at the 2023 NHL Entry Draft, which was held on June 28 and 29, 2023, at Bridgestone Arena in Nashville, Tennessee.