Pienaar
The taxon author name Pienaar may refer to:
- Barendina Jacoba Pienaar (born 1926, B.J.Pienaar), botanist
- Richard N. Pienaar (born 1942, Pienaar), phycologist
- Uys de Villiers Pienaar, herpetologist
The taxon author name Pienaar may refer to: