Owing to their high value as timber, sessile oak (Quercus petraea) and pedunculate oak (Q. robur) are among the most important tree species in temperate lowland forests. Forest managers are faced with numerous constraints when regenerating these forests. Among them, deer impacts associated with competing vegetation are highly significant. These factors affect both the growth and survival of oak seedlings and saplings. Here, we present some of our current and recent works on deer impacts on oak regeneration. First, we show how deer browsing and fraying affect the growth and survival of oak seedlings and saplings. Then, we describe and discuss preliminary results of an ongoing controlled cross-factorial experiment where we test how shade and drought (abiotic stresses) modify plant-plant and plant-herbivore interactions. Our studies highlight the high degree of tolerance of oak trees to deer damages. Finally, we illustrate how our work on deer impacts on oak regeneration have led to the development of a tool for assessing regeneration success at the stand and landscape level and give some examples of how this tool can help in solving forestry-hunting conflicts. We end by discussing the implications of our research for forest management and future challenges.