Steve Jenkner (born 31 May 1976 in Lichtenstein) is a German former professional Grand Prix motorcycle road racer.

Returning to Aprilia for the 2001 season, Jenkner would finally taste the champagne on the podium, finishing 3rd in Assen, and Brno as well, ending a successful campaign in 11th overall, with 94 points.

Staying with the UGT 3000 Abruzzo Aprilia team for the 2002 season, Jenkner would have the best year of his career yet, finishing on the podium five times, all five being 3rd places, at Jerez, Barcelona, the Sachsenring, Estoril, and Motegi.

He retired in Mugello, and finished in 4th in Barcelona, before finally achieving his maiden 125cc victory in the 2003 Dutch TT, in Assen.

His 12th place in Japan was his best of the year, ultimately finishing his professional racing career 23rd in the standings, with 13 points.