Virtua Fighter 4 (Japanese: バーチャファイター4 Hepburn: Bācha Faitā Fō) is a fighting game by Sega. It is the fourth game in the Virtua Fighter series.

The game was first released in arcades on the NAOMI 2 board in 2001. A console port of Virtua Fighter 4, as well as that of Virtua Fighter 4: Evolution under the budget-priced "Greatest Hits" label, appeared on the Sony PlayStation 2 in 2002 and 2003, respectively.

In Japan, Virtua Fighter 4 is famous for spearheading and opening the market for internet functionality in arcades. VF.NET started in Japan in 2001, and since companies have created their own arcade networks, e-Amusement by Konami, NESiCAxLive by Taito and Square Enix, and ALL.Net by Sega.

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