Miss International 1978, the 18th Miss International pageant, was held on November 10, 1978 at the Mielparque in Tokyo, Japan. Katherine Ruth earned United States's second Miss International crown.

Results

Placements

Placement	Contestant
Miss International 1978	United States – Katherine Ruth
1st Runner-up	Norway – Jeanette Aarum
2nd Runner-up	Belgium – Brigitte Maria Muyshondt
3rd Runner-up	Germany – Petra Brinkmann
4th Runner-up	Ireland – Lorraine Bernadette Enriquez

Contestants

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Replacements

•  Britain - Sarah Louise Long