Rivers in the world beginning with the letter m?

There are many, including the mighty Mississippi River, the Missouri River, Mary's River, Minnesota River, Minnehaha River, Maple River, Monongahela River, Menominee River, Merrimack River, and the Moon River.
1 of them is missisippi
Mississippi River

Check this out:

http://en.wikipedia.org/wiki/List_of_rivers_in_the_United_States:_M
· Machias (Maine)

· MacKenzie (Canada)

· Madison (Wyoming, Montana)

· Maranon (Peru)

· Mekong (China, Laos, Thailand)

· Meramec (Missouri)

· Missouri (United States)

· Mississippi (United States)

· Mobile (United States)
Maya River is in Russia. Murray River is in Australia. Maranon River is in Peru.