Isabella Glyn (22 May 1823 – 18 May 1889) was a well-known Victorian-era Shakespearean actress.

She played at Sadler's Wells Theatre from 1848–51; and gave her first public Shakespearian reading September 1851.

She was at the end of her career a theatrical instructor; and, the latest adherent of the Kemble school of acting.

Her portrait appeared frequently in many popular magazines and journals during her lifetime.

[2] Isabella Glyn died of cancer, four days before her 66th birthday, at 13 Mount St. Grover Square, London on 18 May 1889.

Her second marriage was to the notable The Times journalist, Eneas Sweetland Dallas to whom she was married in Glasgow in December 1853.