In the world, Szilárd (Szilárd 
, Силард 
) is a rare male forename. The forename Szilárd is habitual in Eastern Europe, particularly Hungary, where it is quite a rare boy's name, Romania, and Slovakia, where it is a rare masculine name. Much less frequently, Szilárd is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Szilárd | Germany, Romania, Hungary, Serbia, Slovakia |
| Силард | Russia, Ukraine |
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rökk szilárd HU (b. 1799) |
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szilárd zielinski architect, HU (b. 1860) |
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sződy szilárd Hungarian sculptor, HU (b. 1878) |
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szilárd eduard diettmann French painter (1891-1945), FR (b. 1891) |
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bakay szilárd HU (b. 1892) |
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| szilárd sztura RO (b. 1857) |
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| masirevich szilárd Hungarian diplomat, HU (b. 1879) |
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keresztes szilárd Hungarian bishop, HU (b. 1932) |
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| sulica szilárd Hungarian literary historian, romanist (1884–1945), HU (b. 1884) |
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| schindler szilárd HU (b. 1887) |
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| donhoffer szilárd physician (1902–1999), HU (b. 1902) |
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bánki szilárd HU (b. 1943) |
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biernaczky szilárd HU (b. 1944) |
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| darvas szilárd poet, writer, humorist, screenwriter, HU (b. 1909) |
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| oszlaczky szilárd HU (b. 1902) |
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