Maasholm

{{expand Danish|date=June 2023|topic=geo}}

{{Infobox German location

|name = Maasholm
Masholm

|image_photo = Maasholm Hafen.jpg

|image_caption = Maasholm Harbour

|image_coa = DEU Maasholm COA.svg

|coordinates = {{coord|54|41|4|N|9|59|27|E|format=dms|display=inline,title}}

|image_plan = Maasholm in SL.PNG

|state = Schleswig-Holstein

|district = Schleswig-Flensburg

|Amt = Geltinger Bucht

|elevation = 0

|area = 8.4

|postal_code = 24404

|area_code = 04642

|licence = SL

|Gemeindeschlüssel = 01 0 59 142

|website =

|mayor = Kay-Uwe Andresen

|party =

}}

Maasholm ({{langx|da|Masholm}}, also MåsholmJohannes Kok: Det danske folkesprog i Sønderjylland, København 1867, p. 284 og Maesholmsml. Jens Peter Trap: Statistisk-topographisk beskrivelse af hertugdømmet Slesvig, Kjøbenhavn 1864, p. 583) is a municipality in the district of Schleswig-Flensburg, in Schleswig-Holstein, Germany.