UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: April 30, 2008
Accession Number: 0000950137-08-004866
Submission Type: 485APOS
CIK: 0001016073
Company Name: DRIEHAUS MUTUAL FUNDS
File Number: 333-05265
REFERENCED SERIES/CLASSES (CONTRACTS)
Series ID
Class/Contract Name
S000001908 DRIEHAUS INTERNATIONAL DISCOVERY FUND
C000005024 DRIEHAUS INTERNATIONAL DISCOVERY FUND
Series ID
Class/Contract Name
S000001909 DRIEHAUS EMERGING MARKETS GROWTH FUND
C000005025 DRIEHAUS EMERGING MARKETS GROWTH FUND
Series ID
Class/Contract Name
S000015824 DRIEHAUS INTERNATIONAL EQUITY YIELD FUND
C000043494 DRIEHAUS INTERNATIONAL EQUITY YIELD FUND
Series ID
Class/Contract Name
S000018408 Driehaus International Small Cap Growth Fund
C000050883 Driehaus International Small Cap Growth Fund