I present galaxy-galaxy lensing measurements of the total masses of satellite

galaxies in galaxy groups and clusters, obtained by combining high-quality

imaging data with large spectroscopic galaxy catalogs. I focus on the

overlap between the Kilo-Degree Survey (KiDS) and the Galaxy And Mass Assembly

(GAMA) survey and present preliminary results on massive clusters from the

Canadian Cluster Comparison Project (CCCP). The high purity of

the resulting satellite catalogs allow us to cleanly interpret the galaxy-galaxy

lensing signal as coming from the subhalos that host these galaxies. I compare          

these results with predictions from numerical simulations and results for central

galaxies, and discuss the potential of satellite galaxy-galaxy lensing measurements 

as probes of galaxy formation and cosmology.