Short answer no
asa5550/cust-A(config-if)# ip address 192.168.0.1 255.255.255.0
ERROR: This address conflicts with another address on net
## REFERENCE
asa5550/admin# sh run
...
...
...
context admin
allocate-interface Management0/0
!
context cust-A
allocate-interface Management0/0
!
asa5550/admin# sh run interface management 0/0
interface Management0/0
description Physical Link to Management LAN
nameif mngt0_0_management_int
security-level 100
ip address 192.168.0.1 255.255.255.0
management-only