The 2003-04 roster for the Senators included Jason Spezza at center, Peter Schaefer at left wing, Marian Hossa at right wing, Wade Redden at defenseman and Patrick Lalime at goalie.

	NAME	POS	HEIGHT	WEIGHT	DOB	AGE	BIRTHPLACE
1	Daniel Alfredsson D. Alfredsson	RW	5'11"	203	12/11/1972	31	Gothenburg, Sweden
2	Peter Bondra P. Bondra	RW	6'1"	200	2/7/1968	35	Luck, Ukraine
3	Radek Bonk R. Bonk	C	6'2"	210	1/9/1976	28	Krnov, Czech Republic
4	Zdeno Chara Z. Chara	D	6'9"	250	3/18/1977	26	Trencin, Slovakia
5	Greg De Vries G. De Vries	D	6'2"	205	1/4/1973	31	Sundridge, Canada
6	Ray Emery R. Emery	G	6'2"	196	9/28/1982	21	Hamilton, Canada
7	Mike Fisher M. Fisher	C	6'1"	216	6/5/1980	23	Peterborough, Canada
8	Denis Hamel D. Hamel	LW	6'2"	203	5/10/1977	26	Lachute, Canada
9	Martin Havlat M. Havlat	RW	6'2"	210	4/19/1981	22	Mlada Boleslav, Czech Republic
10	Shane Hnidy S. Hnidy	D	6'2"	204	11/8/1975	28	Neepawa, Canada
11	Marian Hossa M. Hossa	RW	6'1"	207	1/12/1979	25	Stara Lubovna, Slovakia
12	Jody Hull J. Hull	RW	6'2"	195	2/2/1969	34	Petrolia, Canada
13	Chris Kelly C. Kelly	C	6'0"	190	11/11/1980	23	Toronto, Canada
14	Brooks Laich B. Laich	C	6'2"	200	6/23/1983	20	Wawota, Canada
15	Patrick Lalime P. Lalime	G	6'3"	192	7/7/1974	29	St. Bonaventure, Canada
16	Josh Langfeld J. Langfeld	RW	6'3"	215	7/17/1977	26	Fridley, MN
17	Curtis Leschyshyn C. Leschyshyn	D	6'1"	207	9/21/1969	34	Thompson, Canada
18	Chris Neil C. Neil	RW	6'1"	209	6/18/1979	24	Flesherton, Canada
19	Serge Payer S. Payer	C	6'0"	191	5/9/1979	24	Rockland, Canada
20	Chris Phillips C. Phillips	D	6'3"	219	3/9/1978	25	Calgary, Canada
21	Brian Pothier B. Pothier	D	6'0"	204	4/15/1977	26	New Bedford, MA
22	Martin Prusek M. Prusek	G	6'2"	176	12/11/1975	28	Ostrava, Czech Republic
23	Karel Rachunek K. Rachunek	D	6'2"	220	8/27/1979	24	Zlin, Czech Republic
24	Rob Ray R. Ray	RW	6'0"	222	6/8/1968	35	Stirling, Canada
25	Wade Redden W. Redden	D	6'2"	205	6/12/1977	26	Lloydminster, Canada