Landammann or Landaman, plural -männer, was the German title, meaning 'Amtmann

Amtmann

Amtmann can be :*a feudal, administrative and/or gubernatorial title, such as Bezirksamtmann . Amtmann, ammann and amman were a kind of bailiff in Germany, Austria, Switzerland and in Brussels....

 of the land', used by the chief magistrate

Chief Magistrate

Chief Magistrate is a generic designation for a public official whose office—individual or collegial—is the highest in his or her class, in either of the fundamental meanings of Magistrate : as a major political and administrative office , and/or as a judge Chief Magistrate is a generic designation...

 in certain Cantons of Switzerland

Cantons of Switzerland

The 26 cantons of Switzerland are the member states of the federal state of Switzerland. Each canton was a fully sovereign state with its own borders, army and currency from the Treaty of Westphalia until the establishment of the Swiss federal state in 1848...

 and at times featured in the Head of state's style at the confederal level.

The French version is Landamman (plural Landammans), the Italian Landamano (plural Landamani)

Origin of ammann/amtmann is found in the Swedish word ombudsmann, also found in the Icelandic words umboðsmaður and embættismaður, plural -menn. Ombudsmann originally meant a man (mann/maður) who is authorized to bring orders (bod/boð) around (om/um) his jurisdiction. The s in ombuds is a genitive ending.

Cantons

Today, Landammann still is the title of the president of the cantonal executive in the following Swiss cantons :

• Aargau
  Aargau
  Aargau is one of the more northerly cantons of Switzerland. It comprises the lower course of the river Aare, which is why the canton is called Aar-gau .-History:...
  
   annual since 1831-32 (before: an Amtsbürgermeister)
• Appenzell Innerrhoden
  Appenzell Innerrhoden
  Appenzell Innerrhoden is the smallest canton of Switzerland by population and the second smallest by area, Basel-City having less area.-Foundation:...
  
  
• Appenzell Ausserrhoden
  Appenzell Ausserrhoden
  Appenzell Ausserrhoden is a canton of Switzerland. The seat of the government and parliament is Herisau, judicial authorities are in Trogen. Appenzell Ausserrhoden is located in the north east of Switzerland, bordering the cantons of St...
  
  
• Glarus
  Canton of Glarus
  The Canton of Glarus is a canton in east central Switzerland. The capital is Glarus.The population speaks a variety of Alemannic German.The majority of the population identifies as Christian, about evenly split between the Protestant and Catholic confessions.-History:According to legend, the...
  
  
• Nidwalden
  Nidwalden
  Nidwalden is a canton of Switzerland. It is located in the centre of Switzerland. The population is 40,287 of which 4,046 are foreigners. The capital is Stans.-History:...
  
  
• Obwalden
  Obwalden
  Obwalden is a canton of Switzerland. It is located in the centre of Switzerland. The population is 33,997 of which 4,043 are foreigners. Its capital is Sarnen. The canton contains the geographical centre of Switzerland.-History:...
  
  
• Schwyz
  Canton of Schwyz
  Schwyz is a canton in central Switzerland between the Alps in the south, Lake Lucerne in the east and Lake Zurich in the north, centered around and named after the town of Schwyz....
  
  
• Solothurn
  Canton of Solothurn
  Solothurn is a canton of Switzerland. It is located in the northwest of Switzerland. The capital is Solothurn.-History:The territory of the canton comprises land acquired by the capital...
  
  
• Uri
  Canton of Uri
  Uri is one of the 26 cantons of Switzerland and a founding member of the Swiss Confederation. It is located in Central Switzerland. The canton's territory covers the valley of the Reuss River between Lake Lucerne and the St. Gotthard Pass. German is the primary language spoken in Uri...
  
  
• Zug
  Canton of Zug
  The Canton of Zug is one of the 26 cantons of Switzerland. It is located in central Switzerland and its capital is Zug. With 239 km² the canton is one of the smallest of the cantons in terms of area. It is not subdivided into districts.- History :The earlier history of the canton is...
  
  

Confederal

While before and after other titles, generally expressing presidence, where used, the title of the Head of state of the Swiss confederation has been:

• Erster Landammann (in German)/ (in French) Premier Landamman 'First official of the country': 23 November 1801 - 6 February 1802 Aloys Reding von Biberegg (b. 1765 - d. 1818); he succeeded himself as the first under the new, shorter, non-distinctive title:
• Landammänner/ Landammans:
  • 6 February 1802 - 20 April 1802 Aloys Reding von Biberegg
  • 20 April 1802 - 5 July 1802 Vinzenz Rüttimann (acting) (b. 1769 - d. 1844)
  • 5 July 1802 - 8 March 1803 Johann Rudolf Dolder (b. 1753 - d. 1807)
  • August 1802 - September 1802 Aloys Reding von Biberegg (again; now in rebellion)
• under French occupation, when emperor Napoleon I Bonaparte styled himself 'Mediator' (equivalent to his title Protector
  Protector (title)
  Protector, sometimes spelled protecter, is used as a title or part of various historical titles of heads of state and others in authority...
  
   in the German Confederatio of the Rhine) of the Swiss (at first Helvetic) Confederation, the actual Head of the Confederation was simply the chief magistrate of the canton hosting the Swiss Diet (Helvetic confederal parliament), with the title Landammann der Schweiz (in German)/ Landamman de la Suisse (in French)/ Landamano della Svizzera (in Italian), usually for a year, 10 March 1803 - 31 December 1813