The canton of Rennes-2 is an administrative division of the Ille-et-Vilaine department, in northwestern France. It was created at the French canton reorganisation which came into effect in March 2015. Its seat is in Rennes.

The canton is entirely included in the commune of Rennes.

Election		Councillor	Party
	2015	Damien Bongart*	G·s
		Catherine Debroise	PS
	2021	Marion Le Frène	EELV
		Denez Marchand	UDB
* Resigned in 2020, replaced by Daniel Heurtault (PS)

The departmental elections of 2015 was held on 22 (first round) and 29 (second round) March 2019.

Candidates		Parties		First round		Second round
				Votes	%	Votes	%
1	Damien Bongart		PS	3,321	37.57	4,847	58.77
	Catherine Debroise		PS
2	Antoine Cressard		UMP	2,614	29.57	3,400	41.23
	Laurence Taillandier		DVD
3	Anne Caillet		EÉLV	1,260	14.26
	Michel Chauvière		EÉLV
4	Régis Barbié		FN	967	10.94
	Natacha Fabre		FN
5	Jeannie Barbier		PCF	677	7.66
	Germain Doucet		E!
Registered voters				19,006	100.00	19,005	100.00
Not voted				9,876	51.96	10,196	53.65
Turnout				9,130	48.04	8,809	46.35
Blank ballots				217	1.14	395	2.08
Invalid ballots				74	0.39	167	0.88
Valid votes				8,839	46.51	8,247	43.39

The departmental election of 2021 was held on 20 (first round) and 27 (second round) June 2021.

Candidates		Parties		First round		Second round
				Votes	%	Votes	%
1	Marion Le Frêne		EELV	2,484	33.27	3,432	53.78
	Denez Marchand		UDB
2	Catherine Debroisea		PS	2,235	29.93	2,949	46.22
	Vincent Haloua		PCF
3	Sandrine Caroff-Urfer		LREM	1,201	16.08
	Henri-Noël Ruiz		LREM
4	Pierre Abegg		LR	1,003	13.43
	Anaïs Jéhanno		LR
5	Marie de Lespinay		RN	544	7.29
	Denis Duvernoy		RN
Registered voters				20,211	100.00	20,210	100.00
Not voted				12,553	62.11	12,621	62.45
Turnout				7,658	37.89	7,589	37.55
Blank ballots				136	0.67	899	4.45
Invalid ballots				55	0.27	309	1.53
Valid votes				7,467	36.95	6,381	31.57

48°07′N 1°40′W / 48.11°N 1.66°W / 48.11; -1.66