To be published in the Proceedings of the XLIst Rencontres de Moriond, XXVIth Astrophysics Moriond Meeting: "From dark halos to light", Eds. L.Tresse, S. Maurogordato and J. Tran Thanh Van (Editions Frontieres).
astro-ph/0610833

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In this short report, I briefly review and illustrate different techniques used to derive mass (hence M / L) profiles of individual galaxies.

Table of Contents

• INTRODUCTION
• MASSES FROM X RAY HALOS
• LENSING
• VELOCITY PROFILES
• BARS, WARPS AND RINGS
• STELLAR DYNAMICS
• THE VANISHING
• SATELLITES, X-RAY BINARIES AND STELLAR POPULATIONS
• BRIEF CONCLUSIONS
• REFERENCES