Family name Knaack (Knaack 
) , globally, is quite a rare cognomen. The surname Knaack is habitual in Germany, where it is quite a rare surname, Denmark, and the United States, where it is a rare surname. In absolute terms, it most frequently occurs in Germany, the United States, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Knaack | Germany, Denmark, Brazil, United States, Netherlands |
|
wilhelm knaack German actor, DE (b. 1829) |
|
| georg knaack German teacher and classical philologist, DE (b. 1857) |
|
|
| caroline knaack (b. 1871) |
|
|
|
susanne knaack German artist, DE (b. 1962) |
|
| ernst knaack German resistance member, DE (b. 1914) |
|
|
|
donald knaack American musician, US |
|
| hans knaack (b. 1922) |
|
|
| joachim knaack German biologist, DE (b. 1933) |
|
|
| jürgen knaack German opinion journalist and germanist, DE (b. 1946) |
|
|
| pamela knaack German actress, DE (b. 1963) |
|
|
| jürgen knaack DE (b. 1954) |
|
|
| rüdiger knaack (b. 1955) |
|
|
| thomas knaack badminton player, DE (b. 1967) |
|
|
| peter knaack German actor, DE (b. 1968) |
|
|
| ulrich knaack (b. 1964) |
|