Giannouli
{{Infobox Greek Dimos
|name = Giannouli
|name_local = Γιάννουλη
|type = municipal unit
|image_map = DE Giannoulis.svg
|map_caption = Location within the regional unit
|periph = Thessaly
|periphunit = Larissa
|municipality = Larissa
|pop_municunit = 12277
|pop_community = 8165
|population_as_of = 2021
|area_municunit = 51.09
|area_community = 16.947
|elevation = 70
|coordinates = {{coord|39|40|N|22|24|E|format=dms|display=inline,title}}
|postal_code =
|area_code =
|licence = ΡΙ
|website =
|image_skyline =
|caption_skyline =
|city_flag =
|city_seal =
|districts =
}}
Giannouli ({{langx|el|Γιάννουλη}}) is a town and a former municipality in the Larissa regional unit, Thessaly, Greece.{{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}} Population 12,277 (2021). The municipal unit has an area of 51.092 km2.{{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 |url-status=dead |archiveurl=https://web.archive.org/web/20150921212047/http://dlib.statistics.gr/Book/GRESYE_02_0101_00098%20.pdf |archivedate=2015-09-21 }}