The Isuzu Forward & Isuzu F-Series (kana:いすゞ・フォワード) is a line of medium-duty commercial vehicle by Isuzu. The range was primarily available in other big-size and mid-size trucks and 4WD versions, the FSS and the FTS.

Most mid-size and big-size models of the truck are distinguishable by a front 'Forward' badge, but the common Isuzu badge is usually used on the rear.

In United States, its principal competitors are Bering MD, Chevrolet W-Series, GMC W-Series, Mitsubishi Fuso FK and the UD 2000/2300. and Japan competitors are Mitsubishi Fuso Fighter, Nissan Diesel/UD Condor, Hino Ranger. and outside Japan truck series in "F" as spelling your Forward. (Isuzu F-Series for other uses by Ford F-Series).

For the Chilean and Peruvian markets the trucks come in boxes in SKD regime to Huechuraba, Chile, where up to 2 a day can be assembled by a team of 13 workers. Every piece comes from Japan. They are badged as Chevrolets. In June 10th, 2008, GM Chile announced its 20.000th Isuzu truck assembled in its Huechuraba plant (including N and F series).

Japan

• FRR
• FRD
• FSR
• FTR
• FVR
• FVZ
• FSD
• FRS
• FSS
• FTS
• GSR

Other countries

• FRR
• FSR
• FTR
• FVR
• FSZ