Starting off his career with Le Havre in France in the early 1990s, he went on to represent clubs in Italy, England, Turkey, and Sweden before retiring at A.C. Milan in 2008.

Born in Senegal's capital, Dakar, Ibrahim Ngom Ba was not yet eighteen when, in 1991, he started playing for the French club Le Havre AC, where he spent five years.

[9][10] In early 2006, it was decided that his contract would be terminated and he subsequently left Djurgården in January of that year, having played in 14 games and scored one goal.

[14] At the conclusion of the 2007–08 season, in which he made only one appearance in the Coppa Italia as a substitute on the bench, he retired from the game as a player and became a scout for Milan in Africa.

Ibrahima Ba's younger son, Fabien (born 22 October 1994) is also a footballer, playing in Italy with the Giovanissimi Nazionali of his brother Ibrahim's former club A.C.