Catherine Ellen Lovelock FAA (born 1964)[1] is an Australian marine ecologist, whose research focuses on coastal ecosystems.

She is a professor in the School of Biological Science at the University of Queensland and 2020 Georgina Sweet Australian Laureate Fellow.

[2] She received a fellowship from the Australian Institute of Marine Science to support her research for her PhD, titled "Adaptation of tropical mangroves to high solar radiation" from James Cook University (1991).

[9] Her long-term research has shown that damming waterways has adversely affected mangroves, particularly through the loss of mud.

[12] Lovelock was elected a Fellow of the Australian Academy of Science in May 2021[13][14] and is recognised as a global expert on coastal ecosystems, particularly those involving mangroves.