Mythimna

{{about||the town of ancient Crete|Methymna (Crete)|the genus of moths|Mythimna (moth)|the town on the island of Lesbos|Mithymna}}

{{Infobox Greek Dimos

|name = Mythimna

|name_local = Μύθημνα

|type = municipal unit

|image_map = DE Mythimnis.svg

|map_caption = Location within the regional unit

| periph = Crete

| periphunit = Chania

|municipality = Kissamos

|pop_municunit = 2116

|population_as_of = 2021

|area_municunit = 55.3

|elevation =

|coordinates = {{coord|35|29|N|23|42|E|format=dms|display=inline,title}}

|postal_code = 734 00

|area_code = 28220

|licence = ΧΝ, XB

|website = [https://web.archive.org/web/20060831180412/http://www.chania.gr/dimoishow.jsp?lang=en&id=6 Mythimna Website]

|image_skyline =

|caption_skyline =

|city_flag =

|city_seal =

|districts =

}}

Mythimna ({{langx|el|Μύθημνα, Δήμος Μυθήμνης}}) is a former municipality in the Chania regional unit, Crete, Greece. Since the 2011 local government reform it is part of the municipality Kissamos, of which it is a municipal unit.{{Cite web|url=http://www.et.gr/idocs-nph/search/pdfViewerForm.html?args=5C7QrtC22wGYK2xFpSwMnXdtvSoClrL81-32jgAMSfbnMRVjyfnPUeJInJ48_97uHrMts-zFzeyCiBSQOpYnT00MHhcXFRTsb2fGphpq4MKX2ZkaHobySNnvZCNHXvYVvlf80XevW0Q.|title=ΦΕΚ B 1292/2010, Kallikratis reform municipalities|language=el|publisher=Government Gazette}} The municipal unit has an area of {{convert|55.268|km2|abbr=on}}.{{cite web|url=http://dlib.statistics.gr/Book/GRESYE_02_0101_00098%20.pdf|publisher=National Statistical Service of Greece|title=Population & housing census 2001 (incl. area and average elevation)|language=el}} It was part of the former Kissamos province which covered the north west of Chania Prefecture.

The municipal unit of Mythimna extends from the north coast to the foothills of the White Mountains (Lefka Ori). The seat of the municipality was Drapanias.