Dariusz Sęk (born 22 July 1986) is a Polish professional boxer who fights at light-heavyweight. Sęk is the last to hold the WBC Eurasia Pacific Boxing Council light heavyweight championship. He is a three-time bronze medalist of the Polish light heavyweight, including twice in the category of young riders and once in the seniors category middleweight (2007).^[1]

Sęk made his professional debut in April 2009 defeating Kiril Psonko by UD 4 in Jarosław, Poland.^[1]

38 fights, 28 wins (10 knockouts), 7 losses, 3 draws[1]
No.	Result	Record	Opponent	Type	Round, time	Date	Location	Notes
38	Loss	28-7-3	Pawel Augustynik	UD	10	21 Nov 2020	Zamek Gniew, Poland	For WBC Silver International Light heavyweight title
37	Loss	28-6-3	Sebastian Ślusarczyk	TKO	5 (8), 1:24	23 Nov 2019	MOSiR Hall, Radom.
36	Loss	28-5-3	Robert Parzęczewski	TKO	2 (10), 2:17	23 Jun 2018	Hala MOSiR im. Kazimierza Paździora, Radom.
35	Win	28-4-3	Tomasz Gargula	TKO	3 (6), 0:55	12 Oct 2018	OSiR, ul. Pomologiczna 10, Skierniewice
34	Loss	27-4-3	Anthony Yarde	TKO	7 (10), 2:17	23 Jun 2018	O2 Arena (Millennium Dome), Greenwich	For WBO European and WBO Inter-Continental light heavyweight titles.
33	Win	27-3-3	Francis Cheka	TKO	3 (8), 2:56	21 Oct 2017	Kopalnia Soli, Wieliczka
32	Draw	26-3-3	Marek Matyja	SD	10	19 Aug 2017	Amfiteatr, Miedzyzdroje	For vacant Republic of Poland light heavyweight title.
31	Loss	26-3-2	Viktor Polyakov	SD	8	22 Apr 2017	Arena Hall, ul. B. Chrobrego 50B, Legionowo
30	Draw	26-2-2	Mustafa Chadlioui	SD	8	05 Nov 2016	ICDS Hall, Łomianki
29	Win	26-2-1	Yevgeni Makhteienko	UD	8	7 May 2016	Sport Hall, Tarnów, Poland
28	Win	25-2-1	Marko Benzon	UD	8	12 Dec 2015	HalL MOSiR, Ełk, Poland
27	Win	24-2-1	Pedro Otas	UD	10	26 Sep 2015	Atlas Arena, Łódź, Poland
26	Win	23-2-1	Shefat Isufi	RTD	8 (12), 3:00	04 Jul 2015	Circus Krone, Munich, Bayern, Germany	Won vacant WBC–EPBC light heavyweight title.
25	Win	22-2-1	Yevgeni Makhteienko	UD	8	21 Mar 2015	Hall OSiR, Brodnica, Poland
24	Loss	21-2-1	Robin Krasniqi	UD	12	20 Dec 2014	Ballhaus Forum, Munich, Bayern, Germany	For WBO International and WBA Continental (Europe) light heavyweight titles.
23	Win	21-1-1	Mohamed Belkacem	UD	10	19 Sep 2014	MOSiR Hall, Radom, Poland
22	Win	20-1-1	Serhiy Demchenko	UD	8	10 May 2014	Hall OSiR, Brodnica, Poland
21	Loss	19-1-1	Robert Woge	UD	12	08 Jun 2013	Max Halle, Prenzlauer Berg, Berlin, Germany	For IBF Inter-Continental light heavyweight title.
20	Win	19-0-1	Farouk Daku	UD	8	10 May 2013	Urania Hall, Olsztyn, Poland
19	Win	18-0-1	Remigiusz Wóz	RTD	4 (8), 2:59	23 Feb 2013	Ergo Arena, Gdańsk, Poland
18	Win	17-0-1	Arturs Kulikauskis	PTS	8	27 Oct 2012	Sport Hall, Częstochowa, Poland

• Boxing record for Dariusz Sęk from BoxRec (registration required)