LaDainian Tomlinson capped his 2006 MVP season with 28 rushing TD's to go along with 1,815 rushing yards. LT also caught 56 passes for 508 receiving yards and 3 TD's. Shaun Alexander tied the NFL single season rushing TD record the previous year. Tomlinson has recorded 15 or more rushing TD's 4 times so far during his career, while Emmitt Smith and Shaun Alexander have done it 3 times.

NFL All-Time Leaders	NFL Single Season Leaders
Total Passing Yards Leaders	Passing Yards Leaders
Touchdown Passes Leaders	Touchdown Passes Leaders
Rushing Yards Leaders	Rushing Yards Leaders
Receiving Yards Leaders	Rushing Touchdowns Leaders
Touchdowns (RB and WR) Leaders	Receiving Yards Leaders
	Receiving Touchdowns Leaders

Single Season NFL Rushing Touchdown Leaders
Rk	Player	Team	TD's	Year
1	LaDainian Tomlinson	San Diego Chargers	28	2006
T2	Shaun Alexander	Seattle Seahawks	27	2005
T2	Priest Holmes	Kansas City Chiefs	27	2003
4	Emmitt Smith	Dallas Cowboys	25	1995
5	John Riggins	Washington Redskins	24	1983
T6	Joe Morris	New York Giants	21	1985
T6	Emmitt Smith	Dallas Cowboys	21	1994
T6	Terry Allen	Washington Redskins	21	1996
T6	Terrell Davis	Denver Broncos	21	1998
T6	Priest Holmes	Kansas City Chiefs	21	2002
11	Larry Johnson	Kansas City Chiefs	20	2005
T12	Chuck Muncie	San Diego Chargers	19	1981
T12	Earl Campbell	Houston Oilers	19	1979
T12	Jim Taylor	Green Bay Packers	19	1962
T15	Spec Sanders	New York Yankees	18	1947
T15	Eric Dickerson	Los Angeles Rams	18	1983
T15	George Rogers	Washington Redskins	18	1986
T15	Emmitt Smith	Dallas Cowboys	18	1992
T15	Marshall Faulk	St. Louis Rams	18	2000
T15	LaDainian Tomlinson	San Diego Chargers	18	2005
T15	DeAngelo Williams	Carolina Panthers	18	2008
T22	Jim Brown	Cleveland Browns	17	1958
T22	Jim Brown	Cleveland Browns	17	1965
T22	Stephen Davis	Washington Redskins	17	1999
T22	LaDainian Tomlinson	San Diego Chargers	17	2004
T22	Larry Johnson	Kansas City Chiefs	17	2006
T22	Michael Turner	Atlanta Falcons	17	2008
T28	Lenny Moore	Baltimore Colts	16	1964
T28	Leroy Kelly	Cleveland Browns	16	1968
T28	O.J. Simpson	Buffalo Bills	16	1975
T28	Pete Banaszak	Oakland Raiders	16	1975
T28	Greg Bell	Los Angeles Rams	16	1988
T28	Barry Sanders	Detroit Lions	16	1991
T28	Ricky Williams	Miami Dolphins	16	2002
T28	Shaun Alexander	Seattle Seahawks	16	2002
T28	Shaun Alexander	Seattle Seahawks	16	2004
T37	Greg Bell	Los Angeles Rams	15	1989
T37	Ickey Woods	Cincinnati Bengals	15	1988
T37	Leroy Kelly	Cleveland Browns	15	1966
T37	Jim Taylor	Green Bay Packers	15	1961
T37	Steve Van Buren	Philadelphia Eagles	15	1945
T37	Chris Warren	Seattle Seahawks	15	1995
T37	Terrell Davis	Denver Broncos	15	1997
T37	Karim Abdul-Jabbar	Miami Dolphins	15	1997
T37	Mike Anderson	Denver Broncos	15	2000
T37	Clinton Portis	Denver Broncos	15	2002
T37	Ahman Green	Green Bay Packers	15	2003
T37	LaDainian Tomlinson	San Diego Chargers	15	2007
T37	Brandon Jacobs	New York Giants	15	2008
T37	LenDale White	Tennessee Titans	15	2008

** Updated Jan. 8th, 2009

Sources:
pro-football-reference.com
databasefootball.com
wikipedia.org
espn.com