Simon Gallaher (born 24 October 1958)^[1] is an Australian singer, actor, director and pianist.

Gallaher was born in Brisbane and educated at the Anglican Church Grammar School.^[2] and studied at the Queensland Conservatorium of Music.^[3] Whilst studying, he joined the Queensland Light Opera Company.^[4] In 1977 he appeared on The Mike Walsh Show,^[5] he had his own television program, The Simon Gallaher Show on ABC-TV (1982–83), in which he sang and played the piano.^[3]

In 1979, Simon appeared again on The Mike Walsh Show, singing "Australia Be Proud" with the Marist Singer's of NSW, with Artistic Director, the late Paul Bateman OAM.

With his own musical theatre company Essgee Entertainment, Gallaher produced and acted in stage productions of The Pirates of Penzance, H.M.S. Pinafore, The Mikado, The Merry Widow and A Funny Thing Happened on the Way to the Forum, among others.

For most of the 1980s his song "Australia Be Proud" was heard at the conclusion of each broadcast day on television station CTC Canberra, accompanied by a montage of video clips from across Australia. He and Jackie Love had a hit record "My Friend" written by Neil Sedaka.

In 2014 Gallaher returned to the stage to be reunited with Jon English for the first time in many years as they performed in Spamalot for Harvest Rain Theatre Company at the Queensland Performing Arts Centre (QPAC). In 2015 he took over the role of The Wonderful Wizard of Oz in the Australian production of Wicked and opened with it at the commencement of the Brisbane season. Gallaher recently directed a new production of his version of The Pirates of Penzance, which played at the QPAC to celebrate the 30th Anniversary of the Arts Centre and of the show's original opening.

He retired as deputy chair on the board of trustees of QPAC in 2018 and has been reappointed to the board of the Queensland Theatre Company (QTC).^[3] In 2018 he was appointed to the board of the Queensland Symphony Orchestra. He was formerly the chair of Harvest Rain Theatre Company (2012–15).^[3] He is patron to many arts organisations, including The Queensland Show Choir, Queensland Youth Symphony Orchestra, Spotlight Theatre Company, Gold Coast Theatre Alliance and the Canberra Area Theatre Awards. He is a member of Live Performance Australia (LPA) and sits on the Helpmann Awards nominating panel for Musical Theatre.

Simon Gallaher married Lisa McKenney in 1990 and they have three children. She is the sister of Todd McKenney, with whom Gallaher had also had a relationship prior to marrying Lisa.^[6][7] They lived in Tamborine Mountain and had a property at Palm Beach on the Gold Coast.^[8][9] They separated in April 2019.^[6]

• 1984–86 The Pirates of Penzance (performing - Frederic)^[14]
• 1985 Hello Dolly (performer)^[3][15]
• 1987 The Student Prince (performer - Karl Franz)^[3][16]
• 1988 My Fair Lady (performer - Freddy Eynsford-Hill)^[3][17]
• 1994 The Pirates of Penzance (creator of stage production, performing - Frederic)^[3] (the video of the stage production was accredited triple-platinum and the cast recording received an ARIA Award)^[18][19]
• 1996 The Mikado (creator of stage production)^[3] (also released on video)^[18]
• 1997 HMS Pinafore (creator of stage production)^[3] (also released on video)^[18]
• 1998 A Funny Thing Happened on the Way to the Forum (Producer)^[3]
• 1999 Master Class (Producer)^[3][20]
• 1998/99 Merry Widow (creator of stage production and performer - Camille)^[3][20]
• 2001 The Pirates of Penzance (created revival production)^[3]
• 2004 Eureka (producer in Association with Melbourne International Arts Festival)^[3]
• 2008/09 The Mikado (producer)^[3]
• 2012 Hairspray (performer)^[3][21]
• 2014 Spamalot (performer)^[22]
• 2015 Wicked (performer - Wizard) Brisbane and Perth^[14]
• 2015 The Pirates of Penzance (director)^[23]