| Authorised form of name | Royen; Adrianus van (1704 - 1779) |
| Other forms of name | Adrianus |
| Other forms of surname | van Royen |
| Dates | 1704 - 1779 |
| Nationality | Dutch |
| Place of birth | Leyden, The Netherlands |
| Date of birth | 11 November 1704 |
| Place of death | Leyden, The Netherlands |
| Date of death | 28 February 1779 |
| Occupation | Physician |
| Activity | Education: Leyden; MD (1728) Career: Practised in Leyden; Lecturer in Botany (1729), then Professor of Botany and Medicine (1732-1775), Leyden; relieved from teaching duties (1754) |
| Membership category | Fellow |
| Date of election | 27/06/1728 |
| Proposer | Sir Hans Sloane |
| Francis Clifton |
| John Gaspar Scheuchzer |
| Relationships | Son of Jan van Royen and his wife, Cornelia van Groenendijk; married Adriana Johanna, daughter of Professor Johannes Wesselius and his wife, Adriana van Ruytenburg |
| Source | Sources: Bulloch's Roll; NNBW; Hirsch |
| Code | NA467 |