The boy's name Kleinert\k-leine-rt, kle(i)-nert\ is a variant of Klein (German), and the meaning of Kleinert is "small".
The baby name Kleinert sounds like Kleiner and Glennard. Another similar baby name is Klint.
Kleinert is a very rare male first name and a popular surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the boy's name Kleinert. Compare Kleinert with related baby names.