Monongahelalla on historiansa aikana ollut useita muitakin nimiä[1]:
Malangueulé
Manaungahela River
Me-nan-gi-hil-li
Meh-non-au-au-ge-hel-al
Mehmannaunringgehlau
Mehmannauwinggehla
Mo-hon-ga-ly River
Mo-hon-galy River
Mo-hon-gey-e-la River
Mo-hong-gey-e-la River
Mohungahala River
Mohunghala River
Monaung River
Monaungahela River
Monna River
Monnyahela River
Monona River
Mononga River
Monongahalia River
Monongahaly River
Monongaheley River
Monongahelia River
Monongalia River
Monongalo River
Mononguhela River
Mononyahela River
Muddy River