Irkutsk has lots of restaurants offering Russian, Siberian, Buryat, Mongolian, Japanese, Chinese and European cuisine. For a local specialty, Omyl, Sig and Kharius are local fishes found in the lake Baikal available in many restaurants.
Kochevnik on Gor'kogo Street, nice Mongolian restaurant with relaxing atmosphere.
Seul at Ul. Dekyabrskikh Sobytii, Korean and Chinese.
Siberian Village СибиÑÑÐºÐ°Ñ ÐеÑевенÑка at the Angara Hotel on Kirov Square, Siberian cuisine, a stylish place representing an entire village.
Rus at the hotel Rus, Russian.
Cafe Shokolad at Ul. Dekyabrskikh Sobytii 102 behind the wedding palace, is a clean, modern cafe with good salads, reasonably-priced main courses, and, as their name suggests, sumptuous desserts. A bit outside the historical center near the TANK bus stop, it is a good place to relax after an excursion to the Sukachev Estate down the street.
Pizza Domino with no relation to the US chain, is at Lenina 13A across from the Lenin Statue. They do pizzas, soups, and other quick meals. Very cheap, and open 24 hours.
Pizza Pinnochio near the Angara Hotel on Kirov Square and other locations; quick and inexpensive pizzas that are sometimes reheated in a microwave.