Tinizong-Rona is a former municipality in the district of Albula in the Sursés in the canton of Graubünden in Switzerland.

On 1 January 2016 the former municipalities of Bivio, Cunter, Marmorera, Mulegns, Riom-Parsonz, Salouf, Savognin, Sur and Tinizong-Rona merged to form the new municipality of Surses.

Of the rest of the land, 1.1% is settled (buildings or roads) and the remainder (40.6%) is non-productive (rivers, glaciers or mountains).

[4] The former municipality is located in the sub-district of Sursés, in the Albula district.

[4] As of 2000[update], the gender distribution of the population was 50.8% male and 49.2% female.

[6] The age distribution, as of 2000[update], in Tinizong-Rona is; 47 people or 12.7% of the population are between 0 and 9 years old.

[7] In the 2007 federal election the most popular party was the CVP which received 42.7% of the vote.