1998 USC Trojans baseball team

1998 Pacific-10 Conference baseball standings
	Conf.				Overall
Team	W		L	PCT	W		L	PCT
Northern
No. 13 Washington ^x‍‍‍^y	17	–	7	.708	41	–	17	.707
Oregon State ‍‍‍	15	–	9	.625	35	–	14	.714
Washington State ‍‍‍	12	–	12	.500	25	–	24	.510
Portland State ‍‍‍	4	–	20	.167	17	–	34	.333
Southern
No. 9 Stanford ^x‍‍‍^y	22	–	8	.733	42	–	14	.750
No. 1 Southern California ‍‍‍^y	21	–	9	.700	49	–	17	.742
No. 2 Arizona State ‍‍‍^y	18	–	11	.621	41	–	23	.641
Arizona ‍‍‍	12	–	18	.400	33	–	23	.589
UCLA ‍‍‍	11	–	19	.367	23	–	33	.411
California ‍‍‍	5	–	24	.172	22	–	32	.407

x – Division champion y – Invited to the NCAA tournament As of June 30, 1998 Rankings from Collegiate Baseball

The 1998 USC Trojans baseball team represented the University of Southern California in the 1998 NCAA Division I baseball season. The team was coached by Mike Gillespie in his 12th season.

The Trojans won the College World Series, defeating the Arizona State Sun Devils in the championship game.