Tynna (Ancient Greek: Τύννα, romanized: Túnna; Latin: Tynna), possibly also known as Dana^{[citation needed]}, was an ancient Anatolian city located at the foothills of the Taurus Mountains, near the town of Ulukışla and the Cilician Gates in southern Cappadocia.

It is known in the present-day as Porsuk Höyük or Zeyve Höyük in Asiatic Turkey.

The name of the city was Tunna or Dunna (Hittite: 𒌷𒁺𒌦𒈾) during the Hittite Empire.

In Classical Antiquity, the city was known as Tynna (Ancient Greek: Τύννα, romanized: Túnna; Latin: Tynna).

Tunna might have been founded during the Hittite Old Kingdom by the sons of the king Ḫattušili I, some time during the late Middle and early Late Bronze Age.

Beginning with the reign of the Hittite king Šuppiluliuma I, Tunna was referred to in state treaties of the Hittite Empire as the cult site of the goddess Ḫallara, who headed the local pantheon.

According to a bronze tablet and the Ulmi-Teššub treaty, Tunna was a location in the region of Tarḫuntašša in the Ḫūlaya River Land where the hypostasis of the storm god Tarḫuntaš bearing the epithet of piḫaššaššiš (𒁉𒄩𒀸𒊭𒀸𒅆𒅖) was venerated, with piḫaššaššiš Tarḫuntaš (𒀭𒌋𒁉𒄩𒀸𒊭𒀸𒅆𒅖) possibly meaning lit. 'Tarḫuntaš of Lightning'.

Tunna was mentioned alongside Ḫupišna and Zallara in a Hittite local deity list, and a Chief of the Cooks was responsible for the cult inventory of the country of Tunna.