Yes. The river name and US state are both Mississippi.
The name used for the US state and river is spelled Mississippi. (2s, 2s, 2p)
The city name is spelled Memphis, on the Mississippi River in Tennessee.
The proper noun, the name of the river and the US state, is spelled Mississippi.(if you see the groups -issi- and -ippi- then it is correctly spelled)
Mississippi river Mississippi river
Mississippi is the name of a river and a state.
The US state or river is spelled "Mississippi."
Sabine River
The Missouri runs into the Mississippi. It does not run FROM the Mississippi!
Old Man River
Mississippi river
Mississippi river
The Missouri River is the largest tributary of the MS river.