A B C D E F G H I J K L M N O P Q R S T U V WXYZ
| Cavallo | S | Nazione | Anno di nascita | Padre |
| Machiavellian (gp) | H | (USA) | 1987 | Mr. Prospector |
| Magical | M | (IRE) | 2015 | Galileo |
| Magistris (mito) | H | (FRA) | 1952 | Goyama |
| Majestic Light | H | (USA) | 1973 | Majestic Prince |
| Majesty’s Prince | H | (USA) | 1979 | His Majesty |
| Makybe Diva | M | (AUS) | 1999 | Desert King |
| Malathaat | M | (USA) | 2018 | Curlin |
| Man o’ war (mito) | H | (USA) | 1917 | Fair Play |
| Manduro | H | (GER) | 2002 | Monsun |
| Manhattan Cafe | H | (JPN) | 1998 | Sunday Silence |
| Manila | H | (USA) | 1983 | Lyphard |
| Mannsfeld | H | (ITA) | 1971 | Crocket |
| Marchand d’Or | G | (FRA) | 2003 | Marchand de Sable |
| Marienbard | H | (IRE) | 1997 | Caerleon |
| Marion Ravenwood (gm) | M | (USA) | 2008 | A.P. Indy |
| Marlin | H | (USA) | 1993 | Sword Dancer |
| Marling | M | (IRE) | 1989 | Lomond |
| Marwell | M | (IRE) | 1978 | Habitat |
| Master Willie | H | (GB) | 1977 | High Line |
| Mastercraftsman | H | (IRE) | 2006 | Danehill Dancer |
| Mastery (i) (e) | H | (USA) | 2014 | Candy Ride |
| Maurice | H | (JPN) | 2011 | Screen Hero |
| Mayano Top Gun | H | (JPN) | 1992 | Brian’s Time |
| McKinzie | H | (USA) | 2015 | Street Sense |
| Medaglia d’Oro | H | (USA) | 1999 | El Prado |
| Meisho Samson | H | (JPN) | 2003 | Opera House |
| Mejiro Mcqueen | H | (JPN) | 1987 | Mejiro Titan |
| Melody Belle | M | (NZ) | 2014 | Commands |
| Midday | M | (GB) | 2006 | Oasis Dream |
| Midnight Bisou | M | (USA) | 2015 | Midnight Lute |
| Midnight Lute | H | (USA) | 2003 | Real Quiet |
| Miesque (gm) | M | (USA) | 1984 | Nureyev |
| Might and Power | G | (NZ) | 1993 | Zabeel |
| Military Attack | G | (IRE) | 2008 | Oratorio |
| Mill Reef (mito) | H | (USA) | 1968 | Never Bend |
| Mind Control | H | (USA) | 2016 | Stay Thirsty |
| Mind Your Biscuits | H | (USA) | 2013 | Posse |
| Minding | M | (IRE) | 2013 | Galileo |
| Mineshaft | H | (USA) | 1999 | A.P. Indy |
| Mishriff | H | (USA) | 2017 | Make believe |
| Misil | H | (USA) | 1988 | Miswaki |
| Miss Finland | M | (AUS) | 2003 | Redoute’s choice |
| Misty for Me | M | (IRE) | 2008 | Galileo |
| Miswaki (gm) | H | (USA) | 1978 | Mr. Prospector |
| Mitole | H | (USA) | 2015 | Eskendereya |
| Mith to reality (gm) | M | (FRA) | 1986 | Sadler’s wells |
| Modern Games | H | (IRE) | 2019 | Dubawi |
| Mondrian | H | (GER) | 1986 | Surumu |
| Monomoy Girl | M | (USA) | 2015 | Tapizar |
| Monsun | H | (GER) | 1990 | Konigssthul |
| Montefilia | M | (AUS) | 2019 | Kermadec |
| Montjeu | H | (IRE) | 1996 | Sadler’s Wells |
| Moonlight Cloud | M | (GB) | 2008 | Invincible Spirit |
| Moorestyle | H | (GB) | 1977 | Manacle |
| More than Ready (gp) | H | (USA) | 1997 | Southern Halo |
| Mostahdaf (e) | H | (IRE) | 2018 | Frankel |
| Motivator (e) | H | (GB) | 2002 | Montjeu |
| Mozart | H | (IRE) | 1998 | Danehill |
| Mr. C. B. | H | (JPN) | 1980 | Tosho Boy |
| Mr. Brightside | G | (NZ) | 2017 | Tavistock |
| Mr. Prospector (gp) | H | (USA) | 1970 | Raise a Native |
| MSQE de Sevigne | M | (IRE) | 2019 | Siyouni |
| Mtoto | H | (GB) | 1983 | Busted |
| Muhaarar | H | (GB) | 2012 | Oasis Dream |
| Muhtarram (e) | H | (USA) | 1989 | Alleged |
| Mummify | G | (AUS) | 1999 | Jeune |
| Munnings (gp) | M | (USA) | 2006 | Speightstown |
| My Flag | M | (USA) | 1993 | Easy Goer |
Purosangue leggendari 