Cognomen Grotrian (Grotrian 
) , in the world, is a rare last name. The cognomen Grotrian is habitual in Denmark, where it is quite a rare surname, New Zealand, where it is a rare surname, and Germany. Measured by absolute frequency, this name is the most popular in the United States, Denmark, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Grotrian | Denmark, Germany, Spain, United States, United Kingdom |
| theodor christoph grotrian DE (b. 1755) |
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| heinrich ludwig grotrian (b. 1782) |
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| friedrich grotrian German piano maker (1803-1860), DE (b. 1803) |
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| frederick brent grotrian British politician (b. 1838) |
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| wilhelm grotrian (b. 1843) |
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| otto grotrian DE (b. 1847) |
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| frederick grotrian (1869-1942) (b. 1869) |
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| sir herbert brent grotrian, 1st baronet British politician (1870-1951), GB (b. 1870) |
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| harold hunter grotrian (1871-1950) (b. 1871) |
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| edgar grotrian (1872-1949) (b. 1872) |
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| walter grotrian German astronomer (1890-1954), DE (b. 1890) |
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| frederick stephen grotrian (1896-1954) (b. 1896) |
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| betty grotrian (born 1901) (b. 1901) |
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| charles herbert brent grotrian (1902-1944) (b. 1902) |
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| frederick brent grotrian (1905-1968) (b. 1905) |
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Mr, Lynn, Jack, Joel, Judy, Tony, Fred, Maria, Mette, Megan, Sarah, Susan, Alice, Andre, Arlen, Amber, Aaron, Carol, Claus, Becky, Brian, Kathy, Lois, Kayla, Lone, Lisa, Ms, Sue, Ann, Bev, Pia, Dan, Jay, Tim, Ove, Mary, Mark, Mads, Sven, Anne, Chad, Kate, Paul, Rolf, Ruth, Ryan, Gary, Lori, and Kelly