Who holds the New York Yankees single season record for home runs?

The single season record by a Yankee is Roger Maris Henry answered it really well though, but Maris still holds the record...... MgGuire and Bonds the S&S(Steroids & Steroids)boys

Here's the top 100 as of the end of 2005:

NEW YORK YANKEES
SEASON

HOMERUNS YEAR HR
1 Roger Maris 1961 61
2 Babe Ruth 1927 60
3 Babe Ruth 1921 59
T4 Mickey Mantle 1961 54
T4 Babe Ruth 1928 54
T4 Babe Ruth 1920 54
7 Mickey Mantle 1956 52
T8 Babe Ruth 1930 49
T8 Lou Gehrig 1936 49
T8 Lou Gehrig 1934 49
11 Alex Rodriguez 2005 48
T12 Lou Gehrig 1927 47
T12 Babe Ruth 1926 47
T14 Lou Gehrig 1931 46
T14 Babe Ruth 1929 46
T14 Babe Ruth 1924 46
T14 Joe DiMaggio 1937 46
T14 Babe Ruth 1931 46
19 Tino Martinez 1997 44
20 Mickey Mantle 1958 42
T21 Lou Gehrig 1930 41
T21 Babe Ruth 1923 41
T21 Reggie Jackson 1980 41
T21 Babe Ruth 1932 41
T21 Jason Giambi 2003 41
T21 Jason Giambi 2002 41
27 Mickey Mantle 1960 40
T28 Alfonso Soriano 2002 39
T28 Roger Maris 1960 39
T28 Joe DiMaggio 1948 39
31 Alfonso Soriano 2003 38
T32 Lou Gehrig 1937 37
T32 Mickey Mantle 1955 37
T32 Dave Winfield 1982 37
T32 Graig Nettles 1977 37
T36 Gary Sheffield 2004 36
T36 Alex Rodriguez 2004 36
T38 Mickey Mantle 1964 35
T38 Babe Ruth 1922 35
T38 Lou Gehrig 1929 35
T38 Don Mattingly 1985 35
T42 Mickey Mantle 1957 34
T42 Babe Ruth 1933 34
T42 Gary Sheffield 2005 34
T42 Tino Martinez 2001 34
T42 Lou Gehrig 1932 34
T47 Charlie Keller 1941 33
T47 Bob Meusel 1925 33
T47 Bobby Murcer 1972 33
T47 Roger Maris 1962 33
T51 Joe DiMaggio 1938 32
T51 Bobby Bonds 1975 32
T51 Lou Gehrig 1933 32
T51 Graig Nettles 1976 32
T51 Dave Winfield 1983 32
T51 Joe DiMaggio 1950 32
T51 Mike Pagliarulo 1987 32
T51 Jason Giambi 2005 32
T51 Reggie Jackson 1977 32
T60 Tommy Henrich 1941 31
T60 Charlie Keller 1943 31
T60 Mickey Mantle 1959 31
T60 Joe Pepitone 1966 31
T60 Joe DiMaggio 1940 31
T60 Danny Tartabull 1993 31
T60 Hideki Matsui 2004 31
T60 Don Mattingly 1986 31
T68 Joe DiMaggio 1941 30
T68 Bernie Williams 2000 30
T68 Mickey Mantle 1962 30
T68 Joe Gordon 1940 30
T68 Joe DiMaggio 1939 30
T68 Yogi Berra 1956 30
T68 Jorge Posada 2003 30
T68 Don Mattingly 1987 30
T68 Charlie Keller 1946 30
T68 Yogi Berra 1952 30
T68 Lou Gehrig 1935 30
T79 Bernie Williams 1996 29
T79 Lou Gehrig 1938 29
T79 Joe DiMaggio 1936 29
T79 Reggie Jackson 1979 29
T79 Bill Dickey 1937 29
T84 Joe Pepitone 1964 28
T84 Joe Gordon 1939 28
T84 Jorge Posada 2000 28
T84 Bill Skowron 1961 28
T84 Elston Howard 1963 28
T84 Yogi Berra 1950 28
T84 Rickey Henderson 1986 28
T84 Tino Martinez 1999 28
T84 Tino Martinez 1998 28
T84 Mike Pagliarulo 1986 28
T94 Reggie Jackson 1978 27
T94 Don Baylor 1984 27
T94 Robin Ventura 2002 27
T94 Yogi Berra 1951 27
T94 Yogi Berra 1953 27
T94 Yogi Berra 1955 27
T94 Mickey Mantle 1954 27
T94 Tom Tresh 1966 27
T94 Jack Clark 1988 27
T94 Joe Pepitone 1969 27
T94 Dave Winfield 1987 27
T94 Bill Dickey 1938 27
T94 Graig Nettles 1978 27
T94 Joe Pepitone 1963 27
T94 Lou Gehrig 1928 27