Frederick B. Kiddle (1874 – 6 December 1951) was a prominent English pianist, organist and accompanist.
Kiddle was born at Frome, Somerset, and studied at the Royal College of Music under Sir Walter Parratt, Rockstro and Higgs. In 1902 he became principal accompanist for the Promenade Concerts at Queen's Hall, in succession to Percy Pitt, and he remained there as permanent organist and accompanist for the next 25 years, retiring at about the time when the BBC took over the proms.
As examples of his work as organist, Kiddle introduced Alexandre Guilmant's Symphony in D minor for organ and orchestra (a work with a very long pedal passage) in 1902, and gave the first performance of Max Bruch's suite for organ and orchestra at a Symphony Concert in May 1909. In November 1909, under Henry J. Wood, he played Marco Enrico Bossi's new organ concerto. In 1912 he played the Benjamin Dale Concert Piece for organ and orchestra at Queen's Hall, and at a prom late in 1913 he played the Fantaisie Triomphale (for organ and orchestra) of Théodore Dubois.
He was the soloist in Saint-Saëns's Symphony for orchestra, organ and piano in November 1916. In a prom in 1927 he played Marcel Dupré's Cortège et Litanei. As a piano soloist, he joined Henry Wood and York Bowen in the first British performance of Mozart's F minor concerto for three pianos in 1907, under the baton of Henri Verbrugghen. When Henry Wood took control of the Norwich Festival in 1908 he took Kiddle with him as organist for the entire event.