IUTAM Representation in ICSU
| Acronym | Organization/Scientific Committee | Representative of IUTAM |
| ICSU | International Council for Science | Prof. L.B. Freund |
| COSPAR | Committee on Space Research | |
| SCOPE | Scientific Committee on Problems of the Environment | Prof. P.F. Linden |
| SCOR | Scientific Committee on Oceanic Research | Prof. M. Stiassnie |
