Madder is the common name for Rubia, a genus of flowering plants in the family Rubiaceae.
Madder may also refer to:
People
Leo Madder (born 1946), Belgian television actor
Places
Madder Cliffs, Antarctica
Music
Madder Mortem, Norwegian progressive metal band Madder Lake, Australian progressive rock band Madder Rose, New York City-based alternative rock band
Other
Even Madder Aunt Maud, character in Philip Ardagh's books 'The Eddie Dickens Trilogy' Rose madder, red dye or paint made from the pigment Madder Lake, traditionally extracted from the crushed root of Rubia tinctorum
See also Maddur (disambiguation) Mader (disambiguation)