Family name Steppacher (Steppacher 
) , all over the world, is a rare cognomen. The cognomen Steppacher is characteristic of Switzerland, where it is quite a rare surname, Germany, where it is a rare surname, and Argentina, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Germany, Switzerland, and the United States. Much less frequently, Steppacher is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Steppacher | Germany, Switzerland, United States, Argentina, Canada |
| rolf steppacher (b. 1944) |
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| elvira steppacher DE (b. 1963) |
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| inga steppacher researcher (ORCID 0000-0001-5439-4840) |
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| simon damian steppacher researcher (ORCID 0000-0002-4907-8939) |
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Mr, Anika, Clark, Brian, Klaus, Peter, Roger, Josef, Jorge, Julie, Nuria, Erica, Heinz, Fritz, Martin, Monica, Sandra, Sergio, Albert, Pascal, Robert, Damian, Sarah, Mirta, Mardi, Marco, Ms, Ana, Ron, R W, Lee, Joy, Eva, Urs, Mary, Sara, Daiane, Alex, Anne, Karl, Paul, Ralf, Rosa, Rolf, Jean, Tara, Elke, Erin, Anna, and Dianne