Nicola Lauren Olyslagers (née McDermott) (born 28 December 1996) is an Australian high jumper.

[9] Achieving a new personal best of 1.98 m in Sinn, Germany, on 29 August 2020,[10] she rose to second place in the all-time list of Australian women high jumpers.

[13][14] She improved her personal best to 2.01 in Stockholm on 4 July 2021 and to 2.02 at the Tokyo Olympics on 7 August 2021, winning silver.

[16][17] Olyslagers had always been tall for her age, and says that she was not good at sports in her early years due to a lack of coordination.

[20] She became a Christian while attending a youth camp at the age of 16, and has regularly pointed to her beliefs as a source of inspiration.