Italy competed at the 1972 Summer Olympics in Munich, West Germany. 224 competitors, 197 men and 27 women, took part in 123 events in 19 sports.
Athletes from the Socialist Federal Republic of Yugoslavia competed at the 1976 Summer Olympics in Montreal, Quebec, Canada. 88 competitors, 83 men and 5 women, took part in 52 events in 14 sports.
Finland competed at the 1980 Summer Olympics in Moscow, USSR. 105 competitors, 99 men and 6 women, took part in 71 events in 16 sports.
Italy competed at the 1980 Summer Olympics in Moscow, USSR. In partial support of the American-led boycott of the 1980 Summer Olympics, Italy competed under the Olympic Flag instead of its national flag. 159 competitors, 121 men and 38 women, took part in 88 events in 19 sports.
Great Britain, represented by the British Olympic Association (BOA), competed at the 1980 Summer Olympics in Moscow, USSR. British athletes have competed in every Summer Olympic Games. 219 competitors, 149 men and 70 women, took part in 145 events in 14 sports.
Hungary competed at the 1980 Summer Olympics in Moscow, USSR. 263 competitors, 182 men and 81 women, took part in 151 events in 21 sports.
Romania competed at the 1980 Summer Olympics in Moscow, USSR. 228 competitors, 154 men and 74 women, took part in 135 events in 20 sports.
Czechoslovakia competed at the 1980 Summer Olympics in Moscow, USSR. 209 competitors, 162 men and 47 women, took part in 114 events in 21 sports.
Spain competed at the 1980 Summer Olympics in Moscow, USSR. In partial support of the American-led Olympics boycott, Spain competed under the Olympic Flag instead of its national flag. 155 competitors, 146 men and 9 women, took part in 75 events in 18 sports.
West Germany competed at the 1984 Summer Olympics in Los Angeles, United States. West Germany had joined the American-led boycott of the 1980 Summer Olympics four years previously. 390 competitors, 267 men and 123 women, took part in 194 events in 25 sports.
Italy competed at the 1984 Summer Olympics in Los Angeles, United States. 268 competitors, 222 men and 46 women, took part in 151 events in 23 sports.
Athletes from the Socialist Federal Republic of Yugoslavia competed at the 1972 Summer Olympics in Munich, West Germany. 126 competitors, 113 men and 13 women, took part in 73 events in 15 sports.
Ethiopia, also known as the Derg, competed at the 1980 Summer Olympics in Moscow, USSR. The nation returned to the Olympic Games after boycotting the 1976 Summer Olympics in Montreal, Quebec, Canada. 41 competitors, 39 men and 2 women, took part in 26 events in 3 sports.
Cuba competed at the 1980 Summer Olympics in Moscow, USSR. 207 competitors, 175 men and 32 women, took part in 92 events in 19 sports.
Athletes from East Germany competed at the 1980 Summer Olympics in Moscow, USSR. 346 competitors, 222 men and 124 women, took part in 167 events in 17 sports.
Athletes from the Federal Republic of Yugoslavia competed at the 1996 Summer Olympics in Atlanta, United States. These Games were the first Olympic appearance of Montenegrin and Serbian athletes under the Flag of the Federal Republic of Yugoslavia and the continuation of the use of Yugoslavia as a designation. The nation was not allowed to participate at the 1992 Summer Olympics because of international sanctions. Several Yugoslav athletes competed as Independent Olympic Participants at those Games. New Yugoslavia participated in thirteen sports: athletics, basketball, canoe/kayak, diving, fencing, judo, shooting, swimming, table tennis, volleyball, water polo, weightlifting, and wrestling.
Algeria competed at the 1980 Summer Olympics in Moscow, USSR. The nation returned to the Olympic Games after boycotting the 1976 Summer Olympics. 54 competitors, all men, took part in 28 events in 9 sports.
Iraq competed at the 1980 Summer Olympics in Moscow, USSR. The Middle Eastern nation returned to the Olympic Games after missing the 1972 and 1976 Summer Olympics.
Yugoslavia competed at the 1984 Summer Olympics in Los Angeles, United States which took place from 29 July to 12 August 1984. Yugoslav athletes had competed in every Summer Olympic Games since their official debut in 1920. The Yugoslav Olympic Committee (JOK) sent a delegation of 139 athletes, 105 men and 34 women, competing in 16 sports, down from 164 competitors in 1980. Due to the Soviet-led boycott, Yugoslavia was one of only three Communist countries to take part at the Games, along with China and Romania.
Athletes from the Socialist Federal Republic of Yugoslavia competed at the 1988 Summer Olympics in Seoul, South Korea. This was the last time that the SFR Yugoslavia competed in the Summer Olympics. 155 competitors, 117 men and 38 women, took part in 72 events in 18 sports.
Serbia (1912, 2008–)
Croatia (1992–)
Slovenia (1992–)
Bosnia and Herzegovina (1992 S–)
Independent Olympic Participants (1992 S)
North Macedonia (1996–)
Serbia and Montenegro (1996–2006)
Montenegro (2008–)
Kosovo (2016–)
