2005 Atlantic Championship

The 2005 Toyota Atlantic Championship season was contested over 12 rounds. 14 different teams and 27 different drivers competed. In this one-make formula all drivers had to utilize Swift chassis and Toyota engines. This season also saw a C2-class running older Swift chassis and Toyota engines. In C2-class 12 different drivers competed, but none of them for the whole season. The Toyota Atlantic Championship Presented by Yokohama Drivers' Champion was Charles Zwolsman Jr. driving for Condor Motorsports.

Final driver standings
Note:

Race 3, 4, 5 and 6 only one additional point awarded to the fastest qualifier, because only one session was held for each race.

In all races not all points were awarded (not enough competitors).