Catryna Louise Bilyk (née Goninon; born 7 February 1959) is an Australian politician.

She worked as an industrial officer for the Australian Services Union, a researcher for psychiatric pioneer Eric Cunningham Dax, an early childhood educator, and an advisor to Tasmanian Labor Ministers David Crean, Ken Bacon and David Llewellyn.

[3] It was second time lucky for Bilyk, who had also been preselected in third spot on the Labor Senate ticket in Tasmania at the 2001 federal election, but failed to win a seat.

[6] Her experience with brain tumours motivated her to raise funds for research to improve the survival rate for cancer.

[7] On 6 December 2016, Bilyk was appointed chair of a newly-formed Senate Select Committee into funding for research into cancers with low survival rates.