Party lists

To register regional lists of candidates, parties need to collect 0.5% of signatures of all registered voters in Yaroslavl Oblast. Party lists do not have an oblast-wide part, the lists are only divided by territorial groups.

The following parties were relieved from the necessity to collect signatures:^[2]

• United Russia
• Communist Party of the Russian Federation
• A Just Russia — Patriots — For Truth
• Liberal Democratic Party of Russia
• New People
• Communists of Russia

New People and Russian Party of Pensioners for Social Justice will take part in Yaroslavl Oblast legislative election for the first time. Patriots of Russia, who participated in the last election, had been dissolved prior.

Single-mandate constituencies

34 single-mandate constituencies were formed in Yaroslavl Oblast, an increase of 9 seats since last redistricting in 2018. To register candidates in single-mandate constituencies need to collect 3% of signatures of registered voters in the constituency.

Results by party lists

Summary of the 8–10 September 2023 Yaroslavl Oblast Duma election results

Party		Party list					Constituency		Total
		Votes	%	±pp	Seats	+/–	Seats	+/–	Seats	+/–
	United Russia	126,494	46.60	8.17%	6	5	32	11	38	6
	Communist Party	30,588	11.27	12.76%	2	5	0	4	2	9
	A Just Russia — For Truth	30,367	11.19	0.93%	1	2	0		1	2
	Liberal Democratic Party	30,247	11.14	1.83%	1	2	0		1	2
	New People	20,055	7.39	New	1	New	1	New	2	New
	Party of Pensioners	15,245	5.62	New	1	New	0	New	1	New
	Communists of Russia	12,216	4.50	2.13%	0	1	0		0	1
	Independents	–	–	–	–	–	1	1	1	1
Invalid ballots		6,236	2.30	1.91%	—	—	—	—	—	—
Total		271,450	100.00	—	12	13	34	9	46	4
Turnout		271,450	27.35	1.92%	—	—	—	—	—	—
Registered voters		992,369	100.00	—	—	—	—	—	—	—
Source:										[3]

Mikhail Borovitsky (United Russia) was re-elected as Chairman of the Oblast Duma,^[4] while incumbent Senator Natalia Kosikhina (United Russia) was re-appointed to the Federation Council.^[5]

Results in single-member constituencies