Meaning and name origin
Lotte \l(ot)-te\ as a girl's name is of Old German and Hebrew origin, and the meaning of Lotte is "free man; God is my oath". Lotte is a variant of Carol (Old German): originally a male name, an anglicized form of Carolus (see Charles). Also a variant of Charlotte (Old German); French feminine diminutive of Charles: it was very common in the Middle Ages in France to make a pet form of a name by adding -ot on the end. Lotte is also used as a variant of Elizabeth (Hebrew), Lottie.
Lotte is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the girl name Lotte and its source forms. Popular variation forms ranked in the Top 1000/100 are Charlotte (#10), Elizabeth (#14), Lottie and Carol. (2014 statistics).