There is a total of 11158 clues beginning with ri
- River in Inverness
- River in Iowa
- River in Iran
- River in Ireland
- River in Ireland flowing into the Shannon
- River in Ireland or eagle type
- River in Ireland, famous in song
- River in Ireland
- River in Irish Free State
- River in Irkutsk
- River in Italy
- River in Italy
- River in Kansas and Missouri
- River in Kansas
- River in Kazakhstan
- River in Kentucky
- River in Kenya
- River in Kenya
- River in Kipling's "Just So Stories"
- River in Koln
- River in Korea
- River in Korean war zone
- River in Kubla Khan
- River in Kurdistan, 200 m to the Tigris
- River in Kwangsi Province, China
- River in Lower Saxony
- River in Luzon
- River in Lyons
- River in Madrid
- River in Maine
- River in Maine
- River in Mali
- River in mañana land
- River in Manchuria
- River in Maryland or Shropshire
- River in Me
- River in Mexico
- River in Mexico
- River in Midlothian
- River in Minnesota
- River in Miss
- River in Mississippi
- River in Missouri
- River in Missouri
- River in Moldavia
- River in Mongolia, flows into Lake Baikal
- River in Mongolia
- River in Mont
- River in Moravia
- River in Morocco
- River in Morocco
- River in N Chile
- River in N England
- River in N France
- River in N India
- River in N Spain
- River in N Carolina
- River in N France
- River in N France and Belgium
- River in N France
- River in N Ireland
- River in N J
- River in N M
- River in N W Belgium
- River in N W Greece
- River in N Y
- River in N Y and N J
- River in NC
- River in NE China
- River in NE England
- River in NE England
- River in NE France
- River in NE Italy
- River in NE Poland
- River in NE Spain
- River in Nebraska
- River in Nebraska
- River in Nev
- River in Nevada
- River in New Jersey
- River in New Mexico and Texas
- River in New Mexico
- River in New York
- River in New York and Pennsylvania
- River in New York state
- River in New York
- River in Nigeria
- River in Nord
- River in Normandy
- River in Normandy
- River in North Chile
- River in north France
- River in North Georgia
- River in North Yorkshire
- River in Northern California
- River in northern England
- River in northern France
- River in Northern France
- River in northern Italy, into the Gulf of Venice
- River in Northern Italy