The following is the list of squads that took place in the men's field hockey tournament at the 1968 Summer Olympics.
The following players represented Belgium: [1]
The following players represented East Germany: [2]
The following players represented India: [3]
The following players represented Japan: [4]
The following players represented Mexico: [5]
The following players represented New Zealand: [6]
The following players represented Spain: [7]
The following players represented West Germany: [8]
The following players represented Argentina: [9]
The following players represented Australia: [10]
The following players represented France: [11]
The following players represented Great Britain: [12]
The following players represented Kenya: [13]
The following players represented Malaysia: [14]
The following players represented the Netherlands: [15]
The following players represented Pakistan: [16]