Rev Theophilus Houlbrooke FRSE LLB (1745–1824) was a British minister remembered mainly as an amateur botanist.
He trained as a minister at Cambridge University graduating LLB and was Ordained as a Deacon in Lincoln Cathedral in 1769, whilst also serving of Curate of the nearby church in Little Coates.
[3] In 1792 he was elected a Fellow of the Royal Society of Edinburgh for his contributions to botany.
His proposers were Sir James Hall, John Playfair and Andrew Coventry.
[4] In 1802 he was an invited guest at the opening of the new Botanic Garden in Liverpool under the Presidency of William Roscoe.