What The M&M Initials Actually Stand For

by a colorful candy shell.
Why Is the Name Written as “M&M’s”?

The apostrophe and “s” indicate the plural form of the brand name.

Since there are many individual candies, the name became M&M’s rather than simply “M&M.”

You may also see the brand stylized in different ways in advertising and packaging, but the familiar name has remained remarkably consistent for generations.
A Small Name With a Big History

It’s easy to assume that the letters on a product are simply a catchy marketing