Sporting identities who have had singles chart in the Australian Top 40:
(data from "The Book: Top 40 Research" by Jim Barnes and Stephen Scanes, 1995)
Lionel Rose released "I Thank You" in 1970. It peaked at number 12 and spent 12 weeks in the charts.
The Australian Cricket Team 1972 released "Here Come the Aussies" in 1972. It peaked at number 8 and spent 9 weeks in the charts.
Mark Jackson, credited as Jacko, released "I'm An Individaul" in 1985. It peaked at number 33 and spent 4 weeks in the charts.
No listings for Peter McKenna's "Things to Remember" (1970) or Warwick Capper's "I Only Take What's Mine" (1985).
How did Neil Kerley's Wandrin' Star go?