- U.S. singer and actress.
- U.S. blues singer and musician.
- any body of sea, or seas regarded as sharing some common quality
- the amniotic fluid surrounding the fetus in the womb
- Muddy, real name McKinley Morganfield. 1915–83, US blues guitarist, singer, and songwriter. His songs include "Rollin' Stone" (1948) and "Got my Mojo Working" (1954)
