M
| Ship Name | Year Launched | Renamed | Fate |
|---|---|---|---|
| SS Maasdam (1952) | - | Yes (3 Different names) (See: TSS Stefan Batory) | - |
| RMS Magdalena (1889) | 1889 | No | Scrapped in 1921 |
| RMS Magdalena (1948) | 1948 | No | Wrecked in 1949 |
| RFA Maine (1924) | 1924 | Yes (3 Different names) | Scrapped in 1954 |
| RMS Majestic | 1914 | Yes (3 Different names) | Scrapped in 1943 |
| SS Malolo | 1926 | Yes (4 Different names) | Sold for scrapping in Eleusina, Greece, in 1977 |
| SS Manchuria | 1903 | Yes (3 Different names) | Scrapped at Savona on January 12, 1952. |
| SS Manhattan | 1931 | Yes (2 Different names) | Scrapped in 1964 |
| MS Marco Polo | 1964 | Yes (2 Different names) | In Service |
| SS Mariposa | 1931 | Yes (2 Different names) | Scrapped in 1974 |
| SS Maristrella | - | Yes (4 Different names) (See: SS Elisabethville (1921) | - |
| SS Matsonia (1926) | - | Yes (4 Different names) (See: SS Malolo) | - |
| SS Matsonia (1932) | - | Yes (7 Different names) (See: SS Monterey) | - |
| RMS Mauretania (1906) | 1906 | No | Scrapped in 1935 |
| RMS Mauretania (1938) | 1938 | No | Scrapped in 1965 |
| SS Maxim Gorkiy | 1968 | Yes (3 Different names) | Scrapped in 2009 |
| RMS Media | - | Yes (4 Different names) (See: SS Lavia) | - |
| MS Mediterranean Sky | 1953 | Yes (2 Different names) | Capsized in 2003 |
| SS Megantic | 1908 | No | Sold for Scrap in 1933 |
| USS Mercury | 1896 | Yes (2 Different names) | Scrapped in 1924 |
| MS Meridian | - | Yes (4 Different names) (See: SS Galileo Galilei) | - |
| SS Michelangelo | 1962 | No | Scrapped in 1991 |
| MS Mikhail Lermontov | 1970 | No | Sank on February 16, 1986 near Marlborough Sounds |
| SS Minnedosa | 1918 | Yes (2 Different names) | Scrapped in Italy in 1949 |
| SS Minnesota | - | Yes (3 Different names) (See: SS Zeeland (1901) | - |
| SS Minnewaska (1923) | 1923 | No | Scrapped in 1934 |
| MS Mona Lisa | 1965 | Yes (5 Different names) | Laid up as of October 2011 |
| SS Mongolia (1903) | 1903 | Yes (3 Different names) | Scrapped in 1946 at Shanghai, China |
| SS Mongolia (1922) | 1922 | Yes (5 Different names) | Scrapped in 1964 |
| SS Montcalm | - | Yes (7 Different names) (See: SS Polar Chief) | - |
| SS Monterey | 1931 | Yes (7 Different names) | Sunk on October 21, 2000 |
| SS Montrose | 1897 | No | Wrecked on Goodwin Sands, December 20 1914 |
| SS Mulbera | 1922 | No | Sold for scrapping on April 7, 1954 |
Read more about this topic: List Of Ocean Liners