|Millennium:||1st millennium BC|
|67 BC by topic|
|Gregorian calendar||67 BC
|Ab urbe condita||687|
|Ancient Egypt era||XXXIII dynasty, 257|
|- Pharaoh||Ptolemy XII Auletes, 14|
|Ancient Greek era||178th Olympiad, year 2|
|Balinese saka calendar||N/A|
|Chinese calendar||癸丑年 (Water Ox)
2630 or 2570
— to —
甲寅年 (Wood Tiger)
2631 or 2571
|Coptic calendar||−350 – −349|
|Ethiopian calendar||−74 – −73|
|- Vikram Samvat||−10 – −9|
|- Shaka Samvat||N/A|
|- Kali Yuga||3034–3035|
|Iranian calendar||688 BP – 687 BP|
|Islamic calendar||709 BH – 708 BH|
|Minguo calendar||1978 before ROC
|Seleucid era||245/246 AG|
|Thai solar calendar||476–477|
|Wikimedia Commons has media related to 67 BC.|
Year 67 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Piso and Glabrio (or, less frequently, year 687 Ab urbe condita). The denomination 67 BC for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.
- Consuls: Manius Acilius Glabrio and Gaius Calpurnius Piso.
- Pompey's war against the pirates, he raises a fleet of 500 warships and fights with great success.
- The lex Gabinia gives Pompey command of the Mediterranean and its coasts for 50 miles inland for three years. He defeats the pirates in three months and pacifies Cilicia.
- Pompey divides the Mediterranean into 13 zones – six in the West and seven in the East – to each of which he assigns a fleet under an admiral.
- Pompey offers the ex-pirates and their families clemency, he settled them in agricultural colonies in eastern Mediterranean lands.
- Pompey takes over the command of Lucius Lucullus in the war against Mithridates VI, and reaping the fruit of the latter's victories.
- Lex Acilia Calpurnia: permanent exclusion from office in cases of electoral corruption.
- Lex Roscia theatralis.
- Hyrcanus II becomes king of Judea, for first time (until 66 BC), on death of his mother, Salome Alexandra.
- Mithridates VI invades Pontus. He besieged the Romans in Chalcedon (opposite Byzantium) and pressed westward along the south shores of the Sea of Marmara to attack Cyzicus.
- Lucullus disperse Mithridates's invading armies and launched a counter-offensive into Pontus, where he penetrates the chain of fortress towns that defended the kingdom.
- December – The army of the Han Dynasty Chinese commander Zheng Ji is victorious over the Xiongnu in the Battle of Jushi.
- Princess Arsinoe IV of Egypt, daughter of Ptolemy XII of Egypt and probably Cleopatra V of Egypt (or 68 BC) (d. 41 BC)
- Salome Alexandra, queen of Judea (b. 139 BC)
- Lucius Cornelius Sisenna, soldier and historian (b. c. 120 BC)