Seckau

{{expand German|topic=geo|date=June 2022}}

{{Infobox settlement

| name = Seckau

| native_name =

| settlement_type = Municipality

| image_skyline = Seckau_-_Färberkreuz.JPG

| imagesize =

| image_caption = Centre of Seckau

| image_shield = AUT Seckau COA.svg

| shield_size =

| shield_link =

| pushpin_map = Austria

| pushpin_mapsize = 270

| pushpin_map_caption = Location within Austria

| image_map =

| mapsize =

| map_alt =

| map_caption = Location within Murtal district

| coordinates = {{coord|47|16|30|N|14|47|6|E|display=inline,title}}

| subdivision_type = Country

| subdivision_name = Austria

| subdivision_type1 = State

| subdivision_name1 = Styria

| subdivision_type2 = District

| subdivision_name2 = Murtal

| parts_type =

| parts_style = para

| p1 =

| leader_title = Mayor

| leader_name = Simon Pletz (ÖVP)

| leader_party =

| leader_title1 =

| leader_name1 =

| area_footnotes = {{Austria population Wikidata|area_footnotes}}

| area_total_km2 = {{Austria population Wikidata|area_total_km2}}

| area_metro_km2 =

| elevation_m = 843

| elevation_max_m =

| elevation_min_m =

| population_as_of = {{Austria population Wikidata|population_as_of}}

| population_footnotes = {{Austria population Wikidata|population_footnotes}}

| population_total = {{Austria population Wikidata|population_total}}

| population_urban =

| population_metro =

| population_note =

| population_density_km2 = auto

| established_title =

| established_date =

| timezone = CET

| timezone_DST = CEST

| utc_offset = +1

| utc_offset_DST = +2

| registration_plate = KF

| postal_code_type = Postal code

| postal_code = 8732

| area_code_type = Area code

| area_code = 03514

| website = [http://www.seckau.at www.seckau.at]

| footnotes =

}}

Seckau ({{langx|sl|Sekava }}) is a Marktgemeinde in the state of Styria, Austria. It is situated near Knittelfeld. It is known for the Benedictine Seckau Abbey, once the seat of the bishopric Graz-Seckau.