Thomas Pakenham

• Thomas Pakenham (historian), 8th Earl of Longford, Anglo-Irish historian and arborist
• Thomas Pakenham, 1st Baron Longford, Irish peer and politician
• Thomas Pakenham (Augher MP), grandfather of the preceding
• Thomas Pakenham (Royal Navy officer), British naval officer and politician
• Thomas Pakenham, 2nd Earl of Longford, Irish peer
• Thomas Pakenham, 5th Earl of Longford, Irish peer and soldier
• Thomas Pakenham (British Army officer), MP for Antrim