Lemu, Finland

{{expand Finnish|date=June 2023|topic=hist}}

{{Infobox settlement

| name = Lemu

| official_name = {{lang|fi|Lemun kunta}}
{{lang|sv|Lemo kommun}}

| native_name = Lemu – Lemo

| native_name_lang =

| settlement_type = Former municipality

| image_skyline =

| image_alt =

| image_caption =

| image_flag =

| flag_alt =

| image_seal =

| seal_alt =

| image_shield = Lemun vaakuna.svg

| shield_alt =

| nickname =

| motto =

| image_map = Lemu.sijainti.suomi.2008.svg

| map_alt =

| map_caption =

| pushpin_map =

| pushpin_label_position = right

| pushpin_map_alt =

| pushpin_map_caption = Location within Finland

| coordinates =

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| coordinates_footnotes =

| subdivision_type = Country

| subdivision_name = Finland

| subdivision_type1 = Province

| subdivision_name1 = Western Finland

| subdivision_type2 = Region

| subdivision_name2 = Southwest Finland

| subdivision_type3 = Sub-region

| subdivision_name3 = Turku

| established_title =

| established_date =

| extinct_title = Merged into Masku

| extinct_date = January 1, 2009

| founder =

| named_for =

| seat_type =

| seat =

| government_footnotes =

| leader_party =

| leader_title = City manager

| leader_name = Rauli Lumio

| unit_pref = Metric

| area_footnotes =

| area_total_km2 = 47.25

| area_land_km2 = 47.14

| area_water_km2 = 0.11

| area_rank = 420th

| area_note =

| elevation_footnotes =

| elevation_m =

| population_footnotes =

| population_total = 1548

| population_as_of = 2003

| population_rank = 378th

| population_density_km2 = auto

| population_demonym =

| population_note = +1.2 % change

| blank_name = Official languages

| blank_info = Finnish

| blank1_name = Urbanisation

| blank1_info = 63.2%

| blank2_name = Unemployment rate

| blank2_info = 5.5%

| timezone = EET

| utc_offset = +2

| timezone_DST = EEST

| utc_offset_DST = +3

| postal_code_type =

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| website = http://www.lemu.fi/

| footnotes =

}}

Lemu ({{IPA|fi|ˈlemu}}; {{langx|sv|Lemo}}) is a former municipality of Finland and an old church parish dating to the Middle Ages. Together with Askainen, the municipality was consolidated with Masku on January 1, 2009.

It is located in the province of Western Finland and is part of the Southwest Finland region. The municipality had a population of 1,603 (2004-12-31) and covered an area of 47.25 km² (18.24 sq mi) (excluding sea) of which 0.11 km² (0.04 sq mi) is inland water. The population density was 34.01 inhabitants per km² (88/sq mi).

The municipality was unilingually Finnish.