Ronnie Brown, American football player
Ronnie G. Brown Jr. (born December 12, 1981) is a former American football running back. After graduating from Cartersville High School in Georgia, Brown attended Auburn University to play college football for the Auburn Tigers. He and Cadillac Williams shared carries at running back, while he had 1,008 yards and 13 touchdowns in 2002, 446 yards and five touchdowns in 2003, and 913 yards and eight touchdowns in 2004. Brown finished seventh in school history with 2,707 rushing yards and fifth with 28 rushing touchdowns. He twice earned second-team All-Southeastern Conference honors in 2002 and 2004.

Brown was drafted second overall by the Miami Dolphins in the 2005 NFL Draft. Brown started at running back for the Dolphins for the first four weeks of the season while Ricky Williams served a suspension, and shared carries with him when he returned in week five. Brown became the feature back in 2006 due to Williams' full year suspension. Brown sat out three games due to a broken hand suffered on Thanksgiving Day in a game against the Detroit Lions, returning in week 16. He played in the first seven games of the 2007 season before suffering a knee injury which knocked him out for the remainder of the season. Williams started over Brown in the first two games of the 2008 season, but shared carries with him after week two. Brown had 916 yards and ten touchdowns in 2008, which led to his first Pro Bowl selection following the season. He was placed on injured reserve for the second straight season after suffering a foot injury in week nine of the 2009 season. Brown rushed for 734 yards and five touchdowns in 2010, as he started in all 16 games. He played for the Philadelphia Eagles in 2011 following a six-year career with the Dolphins.