| Wahoo Studios | Developer | |
| Wahtzy | Developer | |
| WaiS | DeveloperPublisher | |
| Waifu Dev | Developer | |
| Waifu Trash family | Developer | |
| WaifuAI | Developer | |
| Waifu_High_Dev | Developer | |
| Waka Mfg | DeveloperPublisher | |
| Wake Robin Games | Developer | |
| Wake Up Games | Developer | |
| Wakefield Interactive | Developer | |
| Walaber Entertainment | Developer | |
| Waldemar Umaniz | Developer | |
| Waldgeist | Developer | |
| Waldo | Developer | |
| Wales Interactive | DeveloperPublisher | |
| Wali | Developer | |
| Walkabout Games | Publisher | |
| Walker Perkins | Developer | |
| Walking Circles | Developer | |
| Walking Circles (Graham Stafford) | Developer | |
| Walking Circles (Graham Stafford, Carleton Handley, David Beresford, David Fish, Adrian Page, Matt Furniss) | Developer | |
| Walking Circles (Graham Stafford, David Whittaker) | Developer | |
| Walking Circles Software | Developer | |
| Walnut | DeveloperPublisher | |
| Walrus | Developer | |
| Walt Disney | Developer | |
| Walt Disney Computer Software | DeveloperPublisher | |
| Walt Disney Interactive | DeveloperPublisher | |
| Walt Disney Internet Group | DeveloperPublisher | |
| Walter Miller | Developer | |
| Walter Sweetheart | Developer | |
| Walternate Realities | Developer | |
| Walthall Studios | Developer | |
| Walther Miller | Developer | |
| Waltz_89 | Developer | |
| Wambysock | Developer | |
| Wammoh | Developer | |
| WanS24 | Developer | |
| WanSou | Developer | |
| Wanadoo | DeveloperPublisher | |
| Wanadoo EU | Publisher | |
| Wanadoo Edition | DeveloperPublisher | |
| Wanadoo EditionEU | Publisher | |
| WanadooPAL | Publisher | |
| Wanako Games | Developer | |
| Wander | Developer | |
| Wandering_Owl | Developer | |
| Wanderlust Games | Developer | |
| Wandil | Developer | |