Below are the squads for the 1974 FIFA World Cup final tournament in West Germany. For the first time, a majority of countries (9 of 16) had players representing foreign clubs.
Group 1
West Germany Head coach: Helmut Schön
East Germany Head coach: Georg Buschner
Australia Head coach: Rale Rasic
Chile Head coach: Luis Alamos
Group 2
Brazil Head coach: Mário Zagallo
Scotland Head coach: Willie Ormond
Yugoslavia Head coach: Miljan Miljanić
Zaire Head coach: Blagoje Vidinić
Group 3
Netherlands Head coach: Rinus Michels
Note that this squad is numbered alphabetically by surname, unlike traditional numbering systems where the goalkeeper has shirt number 1 and so forth. The one exception was Johan Cruyff, who was given his favoured 14.
Sweden Head coach: Georg Ericson
Uruguay Head coach: Roberto Porta
Bulgaria Head coach: Hristo Mladenov
Group 4
Poland Like Switzerland in 1954 and Portugal in 1966, the Poland squad was ordered by position: goalkeepers were assigned numbers 1 to 3, defenders 4 to 10 and so on. The only exception was midfielder Henryk Wieczorek, who wore number 7.
Head coach: Kazimierz Górski
Italy Head coach: Ferruccio Valcareggi
Argentina Head coach: Vladislao Cap
Note that this squad is numbered alphabetically by surname, with the exception of the goalkeepers which received traditional numbers 1, 12 and 21.
Haiti Head coach: Antoine Tassy
Coaches representation by country NºCountryCoaches3 YugoslaviaMiljan Miljanić, Rale Rasic (Australia), Blagoje Vidinić (Zaire)1 ArgentinaVladislao Cap BrazilMário Zagallo BulgariaHristo Mladenov ChileLuis Alamos East GermanyGeorg Buschner HaitiAntoine Tassy ItalyFerruccio Valcareggi NetherlandsRinus Michels PolandKazimierz Górski ScotlandWillie Ormond SwedenGeorg Ericson UruguayRoberto Porta West GermanyHelmut Schön
References
Planet World Cup website weltfussball.de