WAruwimi River
WBima River
WBolombo River
WBomokandi River
WBundi River
WChiloango River
WCongo River
WDungu River (Democratic Republic of the Congo)
WFimi River
WGada River (Uele)
WInkisi River
WIshasha River
WIturi River
WKasai River
WKibali River
WKwango River
WKwenge River
WKwilu River
WLikati River
WLoange River
WLomako River
WLomami River
WLopori River
WLualaba River
WLuama River
WLuapula River
WLubefu River
WLubudi River (Lualaba tributary)
WLufira River
WLufu River
WLukenie River
WLukuga River
WLukushi River
WLulonga River
WLulua River
WLuvua River
WM'pozo River
WMakongo River
WMaringa River
WMbomou River
WMongala River
WNdjili River
WNgiri River
WNzoro River
WRubi River
WRutshuru River
WRuzizi River
WSankuru River
WSemliki River
WTshuapa River
WUbangi River
WUele River
WUlindi River
WWamba River
WYekokora River