The Men's 400 metres event at the 2009 European Athletics Indoor Championships was held on March 6–7.

Medalists

Gold	Silver	Bronze
Johan Wissman Johan Wissman Johan Lukas Wissman is a Swedish athlete from Helsingborg, specializing in the 200 and 400 m. He is the current national record holder in both of these events....	Claudio Licciardello Claudio Licciardello Claudio Licciardello is a track and field sprinter from Italy, who specializes in the 400 metres. His personal best time is 45.25 seconds, achieved in the heats at the 2008 Olympics in Beijing.-Career:...	Ioan Vieru Ioan Vieru Ioan Lucian Vieru is a Romanian sprinter who specializes in the 400 metres.He won the bronze medals at the 2002 European Indoor Championships and the 2009 European Indoor Championships...

Heats

First 2 of each heat (Q) and the next 2 fastest (q) qualified for the semifinals.

Rank	Heat	Name	Nationality	Time	Notes
1.	1	Johan Wissman Johan Wissman Johan Lukas Wissman is a Swedish athlete from Helsingborg, specializing in the 200 and 400 m. He is the current national record holder in both of these events....		46.49	Q
2.	1	Clemens Zeller Clemens Zeller Clemens Zeller is a Austrian sprint athlete.-Achievements:-References:...		46.61	Q
3.	5	Jan Ciepiela		46.72	Q, PB
4.	5	Claudio Licciardello Claudio Licciardello Claudio Licciardello is a track and field sprinter from Italy, who specializes in the 400 metres. His personal best time is 45.25 seconds, achieved in the heats at the 2008 Olympics in Beijing.-Career:...		46.72	Q
5.	3	Ioan Vieru Ioan Vieru Ioan Lucian Vieru is a Romanian sprinter who specializes in the 400 metres.He won the bronze medals at the 2002 European Indoor Championships and the 2009 European Indoor Championships...		46.99	Q
6.	3	Richard Buck Richard Buck Richard Thomas Buck is a British sprinter who specialises in the 400 metres event. He is from York, and trains in Loughborough, his current club is City of York A.C, , previously he had an 18 month spell at Scarborough A.C. He has been trained by his grandfather, Geoff Barraclough...	United Kingdom	47.04	Q
7.	4	David Gillick David Gillick David Gillick is an Irish international track and field athlete. David began his education in Our Lady's Boys School and attended St.Benildus College secondary school in Kilmacud. He studied at Dublin Institute of Technology before moving to Loughborough to train as a full time athlete with coach...		47.10	Q
8.	2	Matteo Galvan Matteo Galvan Matteo Galvan is an Italian sprinter who specializes in the 200 and 400 metres. His career highlight so far is the 2009 European Indoor Championships, where he placed sixth in the 400 metres and won a gold medal in the relay.-Career:Galvan was born in Vicenza...		47.18	Q
9.	2	Nick Leavey Nick Leavey Nick Leavey is a British sprint athlete.-Achievements:-References:...	United Kingdom	47.19	Q
10.	2	Yoan Décimus		47.22	q
11.	1	Piotr Klimczak Piotr Klimczak Piotr Klimczak is a Polish sprinter who specializes in the 400 metres.-Achievements:-References:...		47.24	q
12.	3	Stanislav Melnykov Stanislav Melnykov Stanislav Melnykov is a Ukrainian is a Ukrainian 400 metres hurdler and two times national champion . Melnykov won bronze at the 2010 European Athletics Championships on the 400 metres hurdles.His personal best time is 46.54 seconds run in Bielsko-Biała .-References:...		47.24
13.	4	Yannick Fonsat		47.28	Q
14.	5	Vladimir Krasnov Vladimir Krasnov Vladimir Aleksandrovich Krasnov is a Russian sprint athlete.-Achievements:-References:...		47.31
15.	2	Santiago Ezquerro		47.45
16.	5	Jussi Heikkilä Jussi Heikkilä Jussi Sakari Heikkilä is a Finnish 400 metre hurdler. His personal best is 49.39 seconds, achieved in May 2008 in Tallahassee, Florida....		47.53	SB
17.	4	Jacob Riis Jacob Riis Jacob August Riis was a Danish American social reformer, "muckraking" journalist and social documentary photographer. He is known for using his photographic and journalistic talents to help the impoverished in New York City; those impoverished New Yorkers were the subject of most of his prolific...		47.54	PB
18.	3	Mark Ujakpor		47.59
19.	1	Visa Hongisto Visa Hongisto Visa Veli Hongisto is a Finnish sprinter. His club team is Valkealan Kajo. He is the son of Eeva Haimi.Hongisto represented Finland at the 2008 Summer Olympics in Beijing. He competed at the 200 metres and placed fourth in his first round heat in a time of 20.62 seconds...		47.70	NJR
20.	3	Peter Žnava		47.85
21.	5	Serdar Tamaç		47.94
22.	1	Andreas Bube		48.02
23.	4	Petr Szetei		48.03
24.	2	Ali Ekber Kayas		48.65
25.	1	Catalin Cîmpeanu		48.66
26.	2	Nicklas Hyde		49.30

} || 4 || align="left" | Antonio Manuel Reina

Antonio Manuel Reina

Antonio Manuel Reina Ballesteros is a Spanish middle distance runner. He specializes in the 800 metres.-Achievements:-Personal bests:*400 metres - 45.98 s *800 metres - 1:43.83 min...

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Semifinals

First 3 of each semifinals qualified directly (Q) for the final.

Rank	Heat	Name	Nationality	Time	Notes
1.	2	Claudio Licciardello Claudio Licciardello Claudio Licciardello is a track and field sprinter from Italy, who specializes in the 400 metres. His personal best time is 45.25 seconds, achieved in the heats at the 2008 Olympics in Beijing.-Career:...		46.31	Q
2.	1	Johan Wissman Johan Wissman Johan Lukas Wissman is a Swedish athlete from Helsingborg, specializing in the 200 and 400 m. He is the current national record holder in both of these events....		46.38	Q
3.	1	Ioan Vieru Ioan Vieru Ioan Lucian Vieru is a Romanian sprinter who specializes in the 400 metres.He won the bronze medals at the 2002 European Indoor Championships and the 2009 European Indoor Championships...		46.61	Q
4.	1	Richard Buck Richard Buck Richard Thomas Buck is a British sprinter who specialises in the 400 metres event. He is from York, and trains in Loughborough, his current club is City of York A.C, , previously he had an 18 month spell at Scarborough A.C. He has been trained by his grandfather, Geoff Barraclough...	United Kingdom	46.76	Q
5.	2	Clemens Zeller Clemens Zeller Clemens Zeller is a Austrian sprint athlete.-Achievements:-References:...		46.84	Q
6.	2	Matteo Galvan Matteo Galvan Matteo Galvan is an Italian sprinter who specializes in the 200 and 400 metres. His career highlight so far is the 2009 European Indoor Championships, where he placed sixth in the 400 metres and won a gold medal in the relay.-Career:Galvan was born in Vicenza...		47.45	Q
7.	2	Jan Ciepiela		47.54
8.	2	Yoan Décimus		47.78
9.	1	Nick Leavey Nick Leavey Nick Leavey is a British sprint athlete.-Achievements:-References:...	United Kingdom	47.93
10.	2	Yannick Fonsat		47.99
11.	1	Piotr Klimczak Piotr Klimczak Piotr Klimczak is a Polish sprinter who specializes in the 400 metres.-Achievements:-References:...		53.81
12.	1	David Gillick David Gillick David Gillick is an Irish international track and field athlete. David began his education in Our Lady's Boys School and attended St.Benildus College secondary school in Kilmacud. He studied at Dublin Institute of Technology before moving to Loughborough to train as a full time athlete with coach...

Final

Rank	Name	Nationality	Time	Notes
	Johan Wissman Johan Wissman Johan Lukas Wissman is a Swedish athlete from Helsingborg, specializing in the 200 and 400 m. He is the current national record holder in both of these events....		45.89	PB
	Claudio Licciardello Claudio Licciardello Claudio Licciardello is a track and field sprinter from Italy, who specializes in the 400 metres. His personal best time is 45.25 seconds, achieved in the heats at the 2008 Olympics in Beijing.-Career:...		46.32
	Ioan Vieru Ioan Vieru Ioan Lucian Vieru is a Romanian sprinter who specializes in the 400 metres.He won the bronze medals at the 2002 European Indoor Championships and the 2009 European Indoor Championships...		46.54	SB
4	Clemens Zeller Clemens Zeller Clemens Zeller is a Austrian sprint athlete.-Achievements:-References:...		46.62
5	Richard Buck Richard Buck Richard Thomas Buck is a British sprinter who specialises in the 400 metres event. He is from York, and trains in Loughborough, his current club is City of York A.C, , previously he had an 18 month spell at Scarborough A.C. He has been trained by his grandfather, Geoff Barraclough...	United Kingdom	46.94
6	Matteo Galvan Matteo Galvan Matteo Galvan is an Italian sprinter who specializes in the 200 and 400 metres. His career highlight so far is the 2009 European Indoor Championships, where he placed sixth in the 400 metres and won a gold medal in the relay.-Career:Galvan was born in Vicenza...		48.23