1991 Australian Under-21 Individual Speedway Championship

The 1991 Australian Under-21 Individual Speedway Championship was the 5th running of the Australian Under-21 Individual Speedway Championship organised by Motorcycling Australia. The final took place on 6 January 1991 at the in Mildura, Victoria. The championship was won by Mildura's own Leigh Adams who won the third of his four national Under-21 championships. Shane Parker from Adelaide was second with another Mildura rider Jason Lyons in third place. Parker defeated Lyons in a run-off for the minor placings after both finished the meeting on 13 points. Former South Australian champion defeated from New South Wales in a run-off for fourth place after both finished the meeting on 11 points.

1991 Australian Under-21 Solo Championship[]

Pos.	Rider	Points	Details
	Leigh Adams ()	15
	Shane Parker ()	13+3
	Jason Lyons ()	13+2
4	()	11+3
5	()	11+2
6	Mark Lemon ()	10
7	()	8
8	()	7
9	()	7
10	()	6
11	()	6
12	()	6
13	()	4
14	()	2
15	()	1
16	()	0
17	() (Res)	–	did not ride
18	() (Res)	–	did not ride

Loader, Tony (1991). Loader's International Speedway Annual 1991. Tony Loader. p. 66. ISSN 1036-4404.