The 2012 Caloundra International was be a professional tennis tournament played on hard courts. It was the sixth edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Caloundra, Australia between 6 and 12 February 2012.
- 1 Rankings are as of January 30, 2012.
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Marinko Matosevic def. Greg Jones, 6–0, 6–2
John Peers / John-Patrick Smith def. John Paul Fruttero / Raven Klaasen, 7–6(7–5), 6–4