Jac P Thijsse

Jac. P. Thijsse (25 July 1865 in Maastricht – 8 January 1945 in Overveen) was a Dutch conservationist and botanist. He is sometimes referred to as J.P. Thijssse. He founded Vereniging tot Behoud van Natuurmonumenten in Nederland (English: Society for preservation of nature monuments in the Netherlands).

In 1925, on the occasion of his 60th birthday he was honored by his friends with the gift of Thijsse's Hof (The Garden of Thijsse), a wildlife garden in Bloemendaal near Haarlem. This was the first wildlife garden in the Netherlands, and one of the oldest worldwide.

The "Jac. P. Thijssepark" in Amstelveen, another wildlife garden, was named after him He was placed 87th on De Grootste Nederlander (The Greatest Dutchman) list in 2004.