A-Z Index: 'Murier' to 'Old Ok'
- Murieron Con las Botas Puestas (1941)
- Mustang (1959)
- Mustang (1973)
- Mustang Country (1976)
- Mutiny at Fort Sharp (1965)
- My Brother, the Outlaw (1951)
- My Darling Clementine (1946)
- My Heroes Have Always Been Cowboys (1991)
- My Little Chickadee (1940)
- My Name Is Nobody (1973)
- My Name Is Pecos (1967)
- My Name Is Shanghai Joe (1972)
- My Outlaw Brother (1951)
- My Pal Trigger (1946)
- My West (1998)
- The Mysterious Desperado (1949)
- The Mysterious Rider (1933)
- The Mysterious Rider (1938)
- The Mysterious Rider (1942)
- Mystery Man (1944)
- Mystery of the Hooded Horsemen (1937)
- Mystery Ranch (1932)
- Mystery Ranch (1934)
- Más Corazón Que Odio (1956)
- Más Fuerte, Hermanas (1975)
- Más Rápido que el Viento (1958)
- The Naked Hills (1956)
- The Naked Spur (1953)
- The Narrow Trail (1917)
- Navajo Joe (1966)
- The Navajo Kid (1946)
- Navajo Run (1964)
- Navajo Trail Raiders (1949)
- Near the Rainbow's End (1930)
- 'Neath Canadian Skies (1946)
- 'Neath the Arizona Skies (1934)
- The Nebraskan (1953)
- Ned Blessing (1992)
- Ned Kelly (2003)
- Ned Kelly: Héroe o Forajido (2003)
- Nevada (1944)
- Nevada City (1941)
- Nevada Smith (1966)
- Nevada Smith (1975)
- The Nevadan (1950)
- The New Daughters of Joshua Cabe (1976)
- The New Frontier (1935)
- New Frontier (1939)
- The New Maverick (1978)
- New Mexico (1951)
- Nido de Águilas (1965)
- The Night of the Grizzly (1966)
- Night Passage (1957)
- Night Rider (1932)
- The Night Riders (1939)
- Night Riders (1963)
- Night Riders of Montana (1951)
- Night Stage to Galveston (1952)
- Night Time in Nevada (1948)
- No Graves on Boot Hill (1969)
- No Man's Land (1984)
- No Man's Range (1935)
- No Name on the Bullet (1959)
- Noose for a Gunman (1960)
- North From Lone Star (1941)
- North of Arizona (1935)
- North of the Great Divide (1950)
- North of the Lone Star (1941)
- North of the Rio Grande (1937)
- North Star (1996)
- North to Alaska (1960)
- Northern Passage (1994)
- Northwest Passage (1940)
- Northwest Stampede (1948)
- Northwest Trail (1945)
- Not Above Suspicion (1960)
- Nothing Too Good for a Cowboy (1997)
- Novia por Pedido (1964)
- O.B. Taggart (1993)
- O Forasteiro (1996)
- Oath of Vengeance (1944)
- Odio por Odio (1967)
- Oh, Susanna! (1937)
- Oh! Susanna (1951)
- Ojo por Ojo (1999)
- Oklahoma! (1955)
- Oklahoma Annie (1952)
- Oklahoma Badlands (1948)
- Oklahoma Cyclone (1930)
- The Oklahoma Kid (1939)
- Oklahoma Territory (1960)
- Oklahoma Terror (1939)
- The Oklahoma Woman (1956)
- The Oklahoman (1957)
- The Old Barn Dance (1938)
- The Old Chisholm Trail (1943)
- The Old Corral (1937)
- The Old Frontier (1950)
- Old Los Angeles (1948)
- Old Oklahoma Plains (1952)
