'''Coblentz''' is a surname. Notable people with the surname include:
* Clara Rankin Coblentz (1863–1933), American social reformer * Laban Coblentz (b. 1961), American writer and communications specialist * William Coblentz (1873–1962), American scientist * William Coblentz (1922–2010), California attorney and power broker * Catherine Cate Coblentz, American writer of children's books * Stanton A. Coblentz, American author and poet
==See also== * Koblenz, a town in Rhineland-Palatinate, Germany * Koblenz, Switzerland, a municipality in Canton Aargau * Coblentz (lunar crater), crater on the Moon * Coblentz (Martian crater), crater on Mars
{{surname|Coblentz}}