Individual Members
Professional scientists whose research is directly relevant to some branch of astronomy are eligible for election as Individual Members. Individual Members are, normally, admitted by the Executive Committee on the proposal of a National Member.
Total: 10869 Individual Members.
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
| Member | Location | NCA adherence |
| Ryabov, Boris I. | Latvia | Latvia |
| Ryabov, Michael I. | Ukraine | Ukraine |
| Ryabov, Yurij A. | Russian Federation | Russian Federation |
| Ryabova, Galina O. | Russian Federation | Russian Federation |
| Ryan, Sean Gerard | United Kingdom | United Kingdom |
| Rybák, Jan | Slovakia | Slovakia |
| Rybansky, Milan | Slovakia | Slovakia |
| Rybicki, George B. | United States | United States |
| Rydbeck, Gustaf H.B. | Sweden | Sweden |
| Ryde, Felix M. | Sweden | Sweden |
| Ryde, Nils A.E. | Sweden | Sweden |
| Ryder, Stuart | Australia | Australia |
| Rykhlova, Lidiya V. | Russian Federation | Russian Federation |
| Rys, Stanislaw | Poland | Poland |
| RYU, Dongsu | Korea, Rep of | Korea, Rep of |
| Rzhiga, Oleg N. | Russian Federation | Russian Federation |
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