Sir Harry Sedan Waechter, 1st Baronet CMG DL (6 June 1871 – 20 May 1929) was a British businessman and philanthropist. The only son of Sir Max Waechter, Harry Sedan Waechter was born in Newcastle-on-Tyne and educated at Clifton College and Trinity College, Cambridge. started developing the garden, "Ramsnest" (now "Ramster") near Chiddingfold, Surrey, which he purchased sometime between 1890 and 1900. He also owned property in Salisbury, Southern Rhodesia (present-day Harare, Zimbabwe). He was made a partner in Bessler, Waechter & Co. in 1901. Waechter was appointed a deputy lieutenant of the County of London in September 1909.