Around the world, Mostard (Mostard 
) is a very rare masculine forename. The forename Mostard is habitual in Sub-Saharan Africa, particularly Tanzania, where it is a very rare masculine name, and South Africa. More frequently, Mostard is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Mostard | South Africa, Australia, Switzerland, Tanzania, Netherlands |
Mr, Rémy, Joyce, Jenni, Truus, Harry, W H M, Marike, Sandra, Samuel, Peter, Simone, Brenda, Robert, Renske, Daphne, Leonie, Esther, Wouter, Yvonne, Monique, Albert, Susanne, Paula, Brian, Ron, Guy, Lou, Jan, Ton, Tim, Evy, Stan, Anne, Bruce, Anja, Jack, John, Joos, Hugo, Inge, Okke, Mieke, Sammy, Chloe, Bart, and Suzanne