Mermoz-Sacré-Cœur is a commune d'arrondissement of the city of Dakar, Senegal.

It also borders Ouakam to the north, Fann-Point E-Amitié to the south, and Sicap-Liberté to the northeast.

The headquarters for Sonatel, a telephone company is located in the Cité Keur Gorgui neighborhood within Mermoz-Sacré-Cœur.

[1] Dakar Dem Dikk, a public transit company, is also based out of Mermoz-Sacré-Cœur.

The AS Dakar Sacré-Cœur Football club is based out of Mermoz-Sacré-Cœur.