Daneu played in 209 games with the senior Yugoslavian national team, from 1956 to 1970. With Yugoslavia's senior team, he won the following medals: the gold medal at the 1970 FIBA World Championship, the silver medal at the 1968 Summer Olympic Games, silver medals at the 1963 FIBA World Championship and the 1967 FIBA World Championship (where he was also voted the tournament's MVP), silver medals at the 1961 EuroBasket, 1965 EuroBasket, and 1969 EuroBasket, and a bronze medal at the 1963 EuroBasket.