Radio Northsea International may refer to:
Radio Northsea, Radio Noordzee, now called TROS, broadcast from a man made island in 1964 Radio Noordzee International, original name of the 1970s radio station Radio Delmare Radio North Sea, name used by Radio Veronica for Robbie Dale's English-language broadcasts in 1968 and 1969 Radio North Sea International, 1970's Swiss radio station owned by Edwin Bollier & Erwin Meister