Niels Laros (pronounced [nils laːˈrɔs]; born 17 April 2005) is a Dutch middle- and long-distance runner.

[7] In June 2023 running in Nice, aged eighteen, he equalled the 22 year-old Dutch 1500m national record of 3:32.89 held by Gert-Jan Liefers.

[10] Selected for the 1500m at the 2023 World Athletics Championships, he qualified for the final, in which he ran a new national record time of 3:31.25.

[11] In September 2023, he set a new national record of 3:48.93 in the mile, at the Diamond League final in Eugene, Oregon.

[14] He competed at the 2024 Summer Olympics over 1500 metres and ran a personal best and European U20 record to place sixth in the final.