Caroline Buchanan (born 24 October 1990) is an Australian cyclist who has won multiple world championships in BMX racing and mountain biking.

[2][4] She has earned the Australian Female Mountain bike rider of the year title three times.

[4] She had the two fastest runs at the 2012 time trial event at the World Championships in Birmingham, England.

[1] In September 2013, Buchanan won the elite women's title at the UCI World Four Cross Championships in Leogang, Austria.

[5] In July Buchanan also won the UCI BMX World Championships in New Zealand.

She suffered serious injuries, including a collapsed lung and spent time in an intensive care unit.