Ralli was born in Marseille, the son of Toumazis "Thomas" Stephanou Ralli of Ralli Brothers and his wife, Marie, daughter of Pandeli Argenti. The family established itself in Belgrave Square. Pandeli was educated in Middlesex and at King's College London. He graduated from Trinity College, Cambridge in 1866 with a Bachelor of Arts degree.
He was elected Liberal Member of Parliament for Bridport in 1875 and held the seat until 1880. He was elected Liberal Member of Parliament for Wallingford in 1880 and held the seat until the constituency was abolished in 1885. He held the offices of Justice of the Peace for Surrey, and Deputy Lieutenant of Dorset. He later stood unsuccessfully as a Liberal Unionist.
|Liberal Unionist||Pandeli Ralli||11,244|
- Hansard 1803–2005: contributions in Parliament by Pandeli Ralli
- Online British Home Office record of Pandeli Ralli's naturalization
|Parliament of the United Kingdom|
Thomas Alexander Mitchell
| Member of Parliament for Bridport
| Member of Parliament for Wallingford